Frameworks in Java

By Avinash Ranjan in General 0 Comment

Do you know some frameworks of Java? Have you ever thought about the frameworks available in the Java programming language? Let’s experience & know briefly about the frameworks of Java.

But before we start discussing the types of frameworks in Java & what is frameworks for Java, let us come to know what is a framework called in normal life.

The framework is a type of template by which we can reduce our work. This means the frame of the previous work is ready. You just need to modernize it. Then you can prepare a new thing.

Finding it is quite difficult to understand. Let us take one example to clear the idea.

Suppose, yesterday you prepared a panner dish for your parents. But after taking the dinner, you find out that there is a large amount of gravy left in the pot. But there is not any panner left in the pot. The dish was so well-prepared.

So what will you do in such cases? Do you throw the remaining gravy off the dish?

No! you have decided to preserve the gravy. And the next morning, you modernize the gravy & prepared a new dish having chicken from that gravy.

This is the proper example of a framework. The gravy of the panner dish was your framework. You just modernize it, added chicken to the dish & prepared a new dish. This same thing happens in frameworks for Java.

What Is Frameworks

The framework is the predefined snippet of the code. It is very difficult to complete an application program by any developer. That is why in the framework a series of classes & functions are developed according to the necessity of the developers. Developers just need to put their written codes there. The remaining things will be completed by the framework. There are different frameworks are present for different programming languages.

Like frameworks of Java, there are JavaScript frameworks also. JavaScript framework performs the same operation. It is like the gravy of the dish which we have stated above. Just we need to add codes in the frameworks. As we have added chicken to the gravy in the above example.

Frameworks Of Java

We used to write our codes in the Java programming language by simple Java programs. But those simple Java programs will not be needed in the companies. The companies will not pay for developing a calculator in Java programming language. There we need to develop a large size of code. Developing such codes is very difficult. For that purpose, there are frameworks of Java.

These frameworks work as the model. We need to design the model on our own. We have to complete the model structure in such a way that it will fulfill the necessity of the company. Frameworks of Java are like the structure of a building. We need to build the walls; we need to decorate to live in them. If you want to get homework help Java then you can contact and pay for coding homework help.

Types Of Frameworks In Java

There are many types of frameworks in Java. According to the need of the developer, they can choose the desired framework. As per the necessity of the developer, they can choose the proper framework. Choosing an improper framework creates problems while developing the application. Here, we are going to make a list of the frameworks which play an important role in every life of Java developers.

1. Spring Frameworks Of Java

The Spring framework of Java is essential. Any Java application can develop with the help of Spring. Sometimes there may be a problem related to coupling. Due to tight coupling, there may be some issues in different classes in Java. Spring helps to create loose coupling. This change in one class, will not affect the other class.

2. Hibernate Frameworks Of Java

Sometimes there may be a problem related to the database usage by Java. The JDBC application sometimes creates difficulties while developing a table at the object level of the database. These developers need to use Hibernate. The query language used by Hibernate is known as the Hibernate Query Language (HQL). The object-level relationship can be easily made up by the Hibernate.

3. Struts Frameworks Of Java

Struts is completely an open-source platform. Anybody can download & use it for free. It helps to develop a convenient application. It helps to view the model through the easy process & user interaction. There is an XML file that helps to generate & gather the result of the analysis in a better way.

4. Dropwizard Frameworks Of Java

Dropwizard is another type of framework in Java. It is a wizard. It helps to complete the application by configuring it. It helps to complete the application by logging, configuring & changing the metrics of the application. It takes libraries to form the Java ecosystem & provides a single framework interface.

5. Grail Frameworks Of Java

It is the most important type of framework in Java. It is appropriate for beginners. Beginners who want to learn the frameworks of Java, first need to know the Grail. But it is not able to run with Java programming language. It runs with the Groovy language. Groovy language is similar to the Java programming language. But it has more features than Java. Also, it is very easy. That is why it is advisable to start the journey of the Frameworks of Java with Grail.

Conclusion

As we saw the frameworks of Java are very important. It is advisable to clear the basic concept of Java programming language in a good manner. It is a very important first step.

Frameworks for Java are the building boxes for developing applications related to the Java programming language.

EduBirdie Code Writing Services for Students – Review

By Kathy Mercado in General 0 Comment

We can all agree that computer programming significantly influenced the way our lives look today. There are so many things we use and rely on that would not exist without code writing. The whole online realm would still be an advanced idea. The term source code stands for the layers of knowledge, creativity, and constant effort to make products better in every sense of the word. Most of us, consumers, can’t even conceptualize this building process. We use it without knowing how to make a program or what it takes to reach the final product. For that reason, the slight mystic aura around people who mastered code making is more than well deserved.

Code writing as a profession

To reach a high level of professionalism students who choose this career have to put a lot of work and time into it. This is where EduBirdie and other services can make a huge difference by providing experienced insight. Programming is the set of many tech-related activities that surpasses the simple term “writing code”. In the beginning, the learning curve might go down due to the number of programming languages with Java, C++, PHP, and Python being the most popular ones. There are numerous functions, procedures, concepts, and variables to adopt and apply.

Photo by Christina Morillo

According to programmers, learning how to write code is not the most difficult ever. Once the first phase passes and the logic behind programming have been fully comprehended things will get much easier. In their opinion, the two most important factors are finding the right sources to learn from and a good mentor. A college degree is equally important as practical knowledge, experience, and a smartly built portfolio.

Learning computer programming with EduBirdie

With code writing college assignments even the most confident students can get stuck with the problem that they just can’t find the solution for. Online is the first place new generations are going, to find reliable professional help. Unfortunately, not every online service is trustworthy and responsible. Same as for any other business, the smart thing would be to check edubirdie reviews, users’ ratings, and other useful sources to learn about the level of service quality and customer satisfaction. EduBirdie exists since 2015 so there is plenty of positive feedback that positions them as experts in providing this type of service. For any student that seeks assistance with code writing assignments maintaining communication with customer service and code writer in person are among the most praised qualities. In terms of educational values, EduBirdie can provide reliable sources of knowledge and experience. Simultaneously, its code writers play the mentoring role by offering examples and possible solutions to the assignment issues.

Review of EduBirdie code writing service

Let’s start with the ratings on the review websites. The scores always maintain between 4.6 and 5 stars and place it among the three most popular services. The rating is based on several thousand users’ reviews.

Probably the most painful fact, EduBirdie is not the cheapest option on the market. Also, unlike most writing services it has a bidding pricing system that can be confusing, especially for first-time users. However, this also means that this service is capable of hiring experts and high-profile professional code writers.

EduBirdie claims that all the work is unique and original, and offers revision as an option. Furthermore, a student can pick the same code writer for different assignments and extend the learning journey under the same guidance. Another positive thing is the opportunity for students to release their deposit once the quality of the work meets the requirements.

While browsing through the reviews we couldn’t find any complaint about confidentiality or delivery schedule. The only objection that was repeated in the older reviews is the lack of discounts. Judging by the latest first order promotional code, EduBirdie reacted to these comments and is actively changing the discount policy.

A significant number of positive reviews are addressed to customer service. It seems that EduBirdie is seriously determined to be online available 24/7, highly responsive to calls, and supportive in resolving potential issues.

Conclusion

The number of customers seeking assistance speaks loud enough about their legitimacy and professionalism. Since the quality of the work depends on the skills of the particular code writer, the system might resemble a lottery. Due to only a few negative reviews, it’s safe to assume that EduBirdie chooses its code writers with great care.

Best Programming Languages For Business Majors to Learn

By Clifford Cullens in General 0 Comment

Photo by Sebastiaan ter Burg/Flickr

Do you want to learn a programming language that can help you in your business career? If so, you’re in luck! In this blog post, we will discuss the best programming languages for business majors to learn. They are versatile and can be used in a variety of business applications. So, whether you are looking to develop a website or create a custom application, they will serve you well!

1. What are the best programming languages for business majors to learn?

If you’re a business major who is interested in learning to code, you may be wondering which programming codes are the most useful for your future career. While there is no definitive answer to this question, there are a few that tend to be particularly popular among business professionals.

For example, Python is often used for data analysis and machine learning, while Java is a popular choice for building web applications. SQL is also a valuable language for working with databases, and HTML/CSS can be useful for creating engaging websites.

Ultimately, the best language for you to learn will depend on your specific goals and interests. However, these four languages are a good place to start if you’re looking to make your mark in the business world.

Friendly tip: Don’t be afraid of programming!

If you’re not sure where to start when it comes to learning programming, read more business essay samples to get started quicker. Many businesses require some programming knowledge, and even if you’re not looking to become a programmer, learning the basics can give you a leg up in your career. Business essay samples can show you how other businesses have used programming to their advantage, and how you can too. With a little of research, you’ll be able to find plenty of resources that can help you learn more about how programming can fit into your business career. Don’t be afraid to ask for help from those who know more than you do – after all, that’s why they’re called experts!

2. Why are they versatile for business applications?

There are many reasons why Java, Python and Ruby are such versatile programming languages for business applications. For one thing, all three languages are relatively easy to learn, which makes them ideal for businesses that want to train new employees quickly. Also, all three of them are widely used, which means that there is a large pool of experienced developers to choose from.

Also, each language has a well-established ecosystem of libraries and frameworks, which makes it easy to develop complex business applications. In short, Java, Python and Ruby are all excellent choices for businesses that need versatile and reliable programming languages.

3. How can you get started learning?

Let’s face it, everyone wants to be a programmer these days. Programmers are the new rock stars, and learning to code is seen as the key to success. But where do you start? There are dozens of programming languages out there, and it can be daunting to try to learn them all. The good news is that you don’t need to know every single language to be a successful programmer. In fact, most programmers only specialize in one or two languages. So how do you choose which of them to learn?

A good place to start is by looking at the most popular languages. According to the TIOBE Index, the top three right now are Java, C, and Python, as explained above. These are all great languages to learn, and they will give you a solid foundation for building your career.

Of course, there is no wrong answer when it comes to choosing a language. The important thing is that you find a language that you enjoy working with and that you can see yourself using in your future career. Whichever language you choose, there are plenty of resources available to help you get started.

There are online courses, books, and even programs that can help you get started coding in no time. Just remember to take your time and enjoy the process. Learning to code can be a fun and rewarding experience, so don’t stress about getting everything perfect from the start. Soon enough you’ll be writing code like a pro!

Conclusion

Programming codes is a necessary tool for business majors. These skills provide the ability to streamline processes, create engaging websites, and more importantly give you a leg up in your career. The best language for you to learn will depend on your specific goals and interests. However, these four languages are a good place to start if you’re looking to get into programming.

With a little of research, you’ll be able to find plenty of resources that can help you learn more about how programming can fit into your business career. So what are you waiting for? Get started today and see how programming can help you take your career to the next level!

What Kinds of Math are Used in Programming

By Kathy Mercado in General 0 Comment

Programming is an interactive process, and at times, it can be tedious. Sometimes it can come down to an equation. With the help of math, programming becomes a more manageable task and more interactive, turning down what would have been huge research projects into a few data inputs.

Laptop with code and plant in coffee shop

Image Source

In this article, we will explore the different kinds of math that are used in programming. They are mathematical operations, geometry, and calculus.

Maths students often find the subject intimidating, but it is an important subject to learn to be a successful programmer. You can make use of some math assignment help. Some math that college students need to know for programming are basic algebra, geometry, trigonometry, and calculus. Suppose you are interested in programming and would like to include mathematics in your studies. In that case, you should consider taking courses such as Calculus I and II or Statistics and Probability.

Binary Mathematics

The field of programming relies heavily on binary mathematics, making it one of the most significant subfields of mathematics.

Binary mathematics also serves as the industry’s central focus. As a result, this subfield of mathematics is the one to focus on to become proficient in programming. To represent each number in a computer’s code, binary code, which uses the binary number system rather than the more commonplace decimal system, is utilized.

The process of coding can be made easier with the use of binary code, which is also necessary for the low-level instructions required for hardware programming. You will need to be familiar with the hexadecimal numbering system to do certain actions, such as changing the color of an item. In addition to this, the traditional arithmetic operations of addition, subtraction, multiplication, and division are used inside the realm of binary mathematics.

Algebra

Students need to be proficient in college algebra to move on to more advanced levels of mathematics because it is one of the foundational mathematics subjects. Beyond the most fundamental arithmetical operations, algebra is one of the most established branches of mathematical study.

The emphasis is placed on graphs and equations, as well as the ability to solve equations with variables that are not known. Programming computers requires an understanding of algebra to create algorithms and software that can operate with mathematical functions. In addition to this, it participates in the design of programs for numerical programs.

Statistics

A branch of mathematics known as statistics education concludes data sets by employing quantified models, representations, and summaries. The discipline of computer science is similar to many others in that statistical analysis can serve a wide variety of functions, which is also true in many other fields.

Researchers can deduce conclusions about underlying trends and make predictions about future behavior and trends through the use of statistics, which allows for the analysis of data. The analysis of regression, the mean, variance, analysis of variance, skewness, and kurtosis are all examples of metrics that are utilized in statistics.

The field of computer science employs statistics in the process of regression analysis, as well as in data mining, information extraction, traffic modeling, voice recognition, sense of direction and image processing, and artificial intelligence. Statistics is also used in the study of images.

Calculus

Calculus is the study of change through time by calculating the derivatives and integrals of functions. Calculus, as a consequence of this, is often split into two subfields that are complementary to one another: differential calculus and integral calculus.

The study of rates of change when a quantity is known is the focus of differential calculus. Integral calculus, on the other hand, focuses on studying quantities even when a rate of change is already known.

Calculus is useful in computer science, just as in other disciplines, particularly when working with problems involving rates of change. Calculus is utilized in the field of computer science for the creation of graphs and other visualizations, the programming of applications, the development of ways to answer statistical questions, applications that facilitate problem-solving, simulations, and the design and analysis of algorithms.

Discrete Mathematics

Discrete mathematics is a prerequisite for any computer science degree because it is the heavyweight of the computer science math fields. When we talk about discrete mathematics, we’re talking about things that can be represented in a finite number of ways utilizing techniques such as logic, numbers, graphs, and probability. Discrete mathematics is crucial to all aspects of computer science.

Conclusion

The kind of math you have to master all depends on the type of programming language or framework you are interested in.

Different programming languages or frameworks require different levels of knowledge, so it is crucial to know what type of math you need before starting the class and enrolling in the course.

Coding Camp or College: What is the Right Choice for Skills Improvement?

By Kathy Mercado in General 0 Comment

With the way the world is going, the tech industry is flourishing and every day we wake up to see that some cool innovation has been invented and this only makes you thirst for more of the digital age.

Maybe you’re fresh out of high school, and you’re wondering what the best way to gain the skills needed to break into tech is, do I go to college or a coding camp?

For a long time, the way to go would be to go to college for a computer science degree, or a related degree and then work your way into getting a master’s degree or a Ph.D. These days, however, several alternative programs are being created to help train young people in their various preferred tech fields.

This begs the question, which of them is right for me? Do I go to a coding camp or to college to improve my skills? If you’re wrestling with these thoughts, not to worry! We’re here to help. In this article, we would shed some light on what you need to know to make an informed decision.

College vs. Coding camp: how do I choose?

These are the two main options everyone with an interest in tech considers first. Comparing the two of them is like comparing apples to oranges – each quite different, but has its benefits. The best way to compare would be to weigh them with some important factors such as;

Curriculum

In college, the degree to major in is Computer Science (CS). The curriculum of CS provides an adequate knowledge of computers that covers operating systems, the how’s and why’s. It also provides the soft skills needed to manage people and communicate better in the tech industry. Some CS degree programs include the following; operating system design, programming java, and C++, advanced mathematics, algorithms, and computer science theory. If you have little to no knowledge of these programs, you may want to consider college.

Coding camp, on the other hand, provides the in-depth knowledge of algorithms used in developer-scale apps and the general foundation needed for programming. The focus of coding camps is on tools for developers, coding languages, and practical applications. The curriculum of the coding camp includes; GitHub, JavaScript, Ruby, APIs, Python, etc. Another important deciding factor is your learning style. Do you learn better by taking lectures with a set curriculum and predictable interactive lessons? Then a CS degree in college may be your best bet. However, If you prefer hands-on, practical learning then coding boot camp may be more suitable for you.

Time Factor

The ultimate goal of college is to turn you into a reliable adult. You will have a lot of options to explore and learn about yourself in the process. In college, you get a well-rounded curriculum that includes everything from projects to assignments. The workload may be too much, and you sometimes need to visit Writix.com to get help with your studies. However, college prepares you for your next phase in life. The con is that a computer science degree takes about four years to complete and a master’s degree of about two years. While coding boot camps may take between 2-6 months for completion.

Time factor aside, the curricula of boot camps are limited compared to that of a computer science degree. For in-depth knowledge about foundational computer science concepts and scopes, a degree program in college will be more appropriate.

Cost

In terms of cost, coding camps are considerably cheaper than colleges. The cost of most coding camps ranges between $10000-15000, while tuition at top colleges with CS programs costs about three-four times that amount. The Massachusetts Institute for Technology (MIT) costs $60,000-70,000 per year, with cheaper colleges costing under $30,000 per year.

Personal Career goal

Another important factor to consider is your personal career goal(s). You need to think long term. In 10-0 years from now, where do you see yourself? If you want to work as a software engineer in multi-million dollar companies like Google or Amazon, you will need a CS degree. However, if you are planning to launch a startup or become a part of one, then coding boot camps may be a suitable option for you.

In essence, the only person that can decide if coding boot camp or college is the best option to develop your skills is YOU! Consider the factors above carefully before making a decision.

Computer Science vs. Programming: What’s the Difference

By William in General 0 Comment

During debates on job options, most students indicate that they are intrigued by technological fields. According to data, employment in this sector is expected to grow much faster than in most areas. Despite evidence showing numerous job opportunities in the field, students and jobseekers are encouraged to research carefully before settling on career paths.

Programming is one of the hottest areas in technology. However, most people are still unable to differentiate between the two. This article simplifies the differences, similarities, and job projections for programming and computer science. It looks at computer science vs. programming in great detail.

Defining Programming

Programming is performing specific computations, often by designing and creating executable programs. Electronic gadgets like smartphones, computers, and tablets need code to operate optimally. Coding allows people to communicate using technological gadgets. These devices display in a way different from humans, and coding is what works as a translator between humans and machines. When you enter your details, the code converts them into numerical arrangements for the gadgets to comprehend.

Programming languages instruct computers to perform given actions. In other words, programming entails creating code, a manual of instructions designating the tasks and information required to complete activities. Computers speedily scan the coding manuals, executing tasks in charge of generating and running a successful website. If you are a student, you can get coding homework help online.

Defining Computer Science

Before looking at the computer programming vs. computer science debate, we need to define some terms. While programming is about creating applications and programs to help people use technology, computer science is much vaster. It entails learning how to develop programs, hardware, and software, as well as ways through which people use technology. Computer science students also learn theory supporting technology use.

While computer science includes coding, not all programmers need a background in computer science. They only need those components of computer science that complement their coding. In other words, you can be great at programming without a solid computer science background.

How Are the Two Different?

A critical difference between computer programming and computer science is in the definition. In its simplest form, computer science can be understood as the process of studying the work and potential of computers. In contrast, coding entails making computers perform activities. The good thing about programming is that you don’t require computer science education to create code. As long as you are willing to put in the hours, you can learn to code within a short time.

Programming is hands-on, unlike computer science which deals with the theoretical elements of computer functioning. It is the process of bringing those theoretical concepts taught in computer science into reality. Computer science specialists research, locate problems, analyze issues, and look for possible solutions. Programmers take those proposed solutions and shape them by creating applications for the interaction between humans and computers.

Another critical difference between computer science and programming is that computer scientists study revolutionary techs like AI, software engineering, and cloud computing. Programmers, on the other hand, focus on generating, designing, drafting, and testing code meant for software applications.

In summary, computer science is relatively theoretical. Coding, in contrast, takes a more practical stance. It involves planning and producing code that runs computer programs.

Coding vs. Computer Science: Similarities

While the two fields have their differences, they have many parts where they converge. For instance, programmers work with computer scientists, supporting each other in teams while developing new tech and programs. The scientists gather the theories, equipment, and data that help enhance systems. Programmers review the information scientists deliver, producing designs that align with the proposals and prerequisites.

It can also be argued that programming or software development is a computer science function. In this sense, it entails using programming languages to develop instructions computer devices understand. Computer science is the root of programming. While they are not the same, computer science lays the foundations upon which programming rests and grows. Remember, anyone can become a programmer without a foundational understanding of computer science.

Another similarity is that both fields offer chances for specialization. For instance, someone in programming can specialize in specific coding languages. Similarly, computer science specialists can specialize in areas of tech that interest them.

While these are two distinct fields, they share several converging points. Computer science serves as a foundation for programming. At the same time, you do not require a background in computer science to become a programmer.

Does Plagiarism Issue Apply To Programming?

By Kathy Mercado in General 0 Comment

When it comes to plagiarism, there are a lot of gray areas. What is considered plagiarism? Is it only stealing someone’s words and passing them off as your own? Or does plagiarism also include stealing someone’s ideas? This is a question that has been debated for years, and there is no clear answer. However, when it comes to programming, the issue of plagiarism becomes even more complicated.

1. What is plagiarism and why is it a problem in the programming world specifically

Plagiarism is the act of taking someone else’s work and passing it off as your own. This can be done with code, comments, or documentation. Plagiarism is a problem in the programming world for several reasons. First, it can lead to errors in code if the programmer doesn’t fully understand the code they’re using. Second, it can result in copyright infringement if the original author of the code hasn’t given permission for their work to be used.

2. How to avoid plagiarism when writing code

When you’re writing code, it’s important to avoid plagiarism. Plagiarism is the act of using someone else’s code without giving them credit. This can be a serious problem, as it can lead to legal trouble and damage your reputation. Here are five steps you can take to avoid plagiarism when writing code:

  • Cite your sources and use a plagiarism checker. If you use someone else’s code, make sure to give them credit. Include a comment in your code that includes their name and the URL of the original source. Any plagiarism checker for students can help you avoid accidentally plagiarizing someone’s work, on top of ensuring that you’re citing your sources properly. Plus, it’ll help you avoid any potential legal trouble. This can be quite helpful if you’re not sure how to avoid plagiarism when writing code.
  • Get permission. If you’re going to use someone else’s code in a project, it’s best to get their permission first. This way, they can’t accuse you of plagiarism later on.
  • Don’t modify someone else’s code. If you need to make changes to someone else’s code, it’s best to create a new file with your own modifications. That way, there’s no risk of accidentally copying their original code.
  • Use a style guide. When you’re writing code, it’s important to follow a consistent style. This will help you avoid plagiarism, as it will be clear which parts of the code are your own and which parts are borrowed from someone else.

3. The consequences of plagiarism for programmers

As you already know, plagiarism is a serious offense in the programming world. Not only does it violate copyright laws, but it can also lead to lost wages and even prosecution. Plagiarism occurs when someone copies another person’s code without giving credit. This can happen intentionally or unintentionally. Intentional plagiarism is usually done in an attempt to save time or take credit for someone else’s work. Unintentional plagiarism can occur when a programmer accidentally copies code from another source without realizing it. Either way, the consequences of plagiarism can be severe. Programmers who are caught plagiarizing may be fined, fired, or even prosecuted.

In addition, plagiarism can damage a programmer’s reputation and make it difficult to find future employment. As a result, it is important to always give credit when using someone else’s code and to be careful when copied code from another source.

4. Ways to prevent plagiarism from happening in the first place

First, be sure to keep track of all of your sources. When you are researching a paper, make a list of the books, articles, and websites that you use. This will make it easier to cite your sources later on. Second, take good notes while you are researching. Be sure to include the author’s name, the title of the work, and the page number for each quote or paraphrase that you use.

5. Examples of how plagiarism can occur in programming

In the world of programming, plagiarism can take many forms. For example, a programmer might copy code from another programmer without giving credit. Or, a programmer might use someone else’s code as a starting point for their own project, without making it clear that they have borrowed from another source. Plagiarism can also occur when a programmer takes ideas from another source without giving credit.

In some cases, plagiarism can be difficult to spot, especially if the two sources are similar. However, it’s important to be aware of the potential for plagiarism in programming, so that you can avoid it in your own work.

Wrapping Up

Plagiarism is a serious issue in the programming world, and can lead to lost wages, prosecution, and damage to a programmer’s reputation. There are steps that you can take to avoid plagiarism, such as keeping track of your sources and giving credit where it is due. Make sure you are cautious when it comes to plagiarism!

How do I convert Map to JSON and vice versa using Jackson?

By Wayan in Jackson 0 Comment

In the following code snippet we will convert java.util.Map object into JSON string and convert back the JSON string into Java Map object. In this example we will be using the Jackson library.

To convert from Map to JSON string the steps are:

  • Create a map of string keys and values.
  • Create an instance of Jackson ObjectMapper.
  • To convert map to JSON string we call the writeValueAsString() method and pass the map as argument.
// Converting Map to JSON
String json = null;
try {
    json = mapper.writeValueAsString(colours);
    System.out.println("json = " + json);
} catch (JsonProcessingException e) {
    e.printStackTrace();
}

Now, to convert from JSON string back to map we can do it in the following steps:

  • Create a JSON string, in this case we use the one converted from the colours map.
  • Create an instance of Jackson ObjectMapper.
  • Call the mapper’s readValue() method with JSON string and an empty instance of TypeReference as arguments.
// Converting JSON to MAP
try {
    Map<String, String> newColours =
            mapper.readValue(json, new TypeReference<>() {});
} catch (JsonProcessingException e) {
    e.printStackTrace();
}

And here is the complete code snippet.

package org.kodejava.jackson;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.util.HashMap;
import java.util.Map;

public class MapToJson {
    public static void main(String[] args) {
        Map<String, String> colours = new HashMap<>();
        colours.put("BLACK", "#000000");
        colours.put("RED", "#FF0000");
        colours.put("GREEN", "#008000");
        colours.put("BLUE", "#0000FF");
        colours.put("YELLOW", "#FFFF00");
        colours.put("WHITE", "#FFFFFF");

        ObjectMapper mapper = new ObjectMapper();

        // Converting Map to JSON
        String json = null;
        try {
            json = mapper.writeValueAsString(colours);
            System.out.println("json = " + json);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }

        // Converting JSON to MAP
        try {
            Map<String, String> newColours =
                    mapper.readValue(json, new TypeReference<>() {});
            System.out.println("Map:");
            for (var entry : newColours.entrySet()) {
                System.out.println(entry.getKey() + " = " + entry.getValue());
            }
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }
    }
}

Running the code snippet above will print the following output:

json = {"RED":"#FF0000","WHITE":"#FFFFFF","BLUE":"#0000FF","BLACK":"#000000","YELLOW":"#FFFF00","GREEN":"#008000"}
Map:
RED = #FF0000
WHITE = #FFFFFF
BLUE = #0000FF
BLACK = #000000
YELLOW = #FFFF00
GREEN = #008000

Maven Dependencies

<dependencies>
    <!-- https://search.maven.org/remotecontent?filepath=com/fasterxml/jackson/core/jackson-core/2.13.3/jackson-core-2.13.3.jar -->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.13.3</version>
    </dependency>
    <!-- https://search.maven.org/remotecontent?filepath=com/fasterxml/jackson/core/jackson-databind/2.13.3/jackson-databind-2.13.3.jar -->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.13.3</version>
    </dependency>
</dependencies>

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7 Essential Java Books

By Madeline Miller in General 0 Comment

For programmers no matter what your level there’s always something new you can learn, and it’s always handy to have some reference materials on hand. Here are 7 Java books to invest in, some for beginners and some for more advanced programmers.

Head First Java

The ‘Head First’ series are a great mix of visuals and text to make learning feel less of a struggle. ‘Head First Java’ by Kathy Sierra and Bert Bates is very beginner-friendly and has some brilliant real life analogies to help back up the information. It may feel a bit dated; it doesn’t cover anything beyond Java 5.0, but it’s still useful for covering a wide variety of topics like classes, threads, objects and the language features.

Java: A Beginner’s Guide

Another great starting point, ‘Java: A Beginner’s Guide’ by Herbert Schildt covers the basics and provides you with some tests and puzzles to attempt yourself. “The hands-on exercises and quiz sections are invaluable learning tools,” claims programming writer James M. Curtis, Revieweal and UKWritings. This book covers all Core Java concepts and is written in a clear and simple way to make it easy to learn from.

Java for Dummies

The ‘for Dummies’ series are well known to the point of parody but for good reason. ‘Java for Dummies’ by Barry A. Burd is another great resource for beginners that covers the fundamentals from how to create the basic objects to when you should be reusing code. The guide is straightforward and again is a book that mixes text with visuals to help you to learn. This includes screenshots to help explain how Java is executed.

Java: The Complete Reference

This reference book by Herbert Schildt builds on the beginner’s guide and is perfect to turn to when you need to review a topic. It’s good for both beginners and advanced programmers as it dives deeper into topics to help you to become a Java master. The book is also full of discussions and examples that you can learn from and implement into your programming.

Effective Java

No matter what level you are, Joshua Bloch’s ‘Effective Java’ is a must-have. Going beyond the core concepts it examines commonly encountered programming issues with explanations of how to solve them. For beginners, you get the concepts explained and for more advanced programmers you are likely to learn how to write Java code better than before. It is the perfect reference book for those moments where you are just not sure of the next step.

Thinking In Java

We are human and while we may know various languages, including programming ones, we still think in our native language and then translate to the appropriate language. Bruce Eckel’s ‘Thinking in Java’ provides practical examples of programming in a clear way to help you gain a deeper understanding of the language and its quirks. It stays relatively beginner-friendly, but it is useful for more advanced programmers as a way to improve your coding skills.

Clean Code

“If you ask programmers who to turn to in order to become a better Java programmer, they will inevitably point you in the direction of ‘Uncle Bob’ with his videos and book on clean coding,” says Tammie Acree, an editor at Ukservicesreviews and Custom Writing. Robert C. Martin’s, also known fondly as ‘Uncle Bob’, book ‘Clean Code’ is less a reference on the fundamentals and more a book to help you to write better code. Split into three sections, the book takes you through the principles of writing clean code, case studies of code to help you make decisions on where to clean the code and then a list of heuristics that were gathered from creating the case studies. It points out it’s not only worth knowing how to code but to revisit that code often to make sure it’s up-to-date and as effective as it can be.

Java is a fairly easy programming language to get into and has a large number of resources for you to turn to. No matter what your skill level is, there’s always something new you can take away. There are loads of books out there and some fantastic websites you can use, but these seven are what I would consider the essentials for programmers no matter their level.

Should computer programming take priority over math in the high school curriculum?

By Kathy Mercado in General 0 Comment

If we take a look at the world as we know it today, we can easily spot that technology has taken over our lives. It is so deeply intertwined with everything we do that it would be difficult and challenging to give up using it at all.

This, along with the popularity of some of the richest people on the planet, has created a collective wish: to try to be like them or even better. More and more children want to be computer scientists, to invent the next Facebook or Microsoft. And a legit question has appeared.

Should computer programming take priority over the math in the high school curriculum? If students want to learn more about computer science, should we make it a priority over other subjects? Should the high school math curriculum be changed? Let’s find out the answer to these questions.

Should computer science be made a priority over math?

The direct and clear answer to this question is no. Even though many students in high school would love to learn more about computer science, coding, and programming, this does not mean that it should be a priority over math.

Math anxiety is a real thing that is more and more present in our schools. And both students and their parents are trying to find solutions to cope with it easily. In this case, learning computer science might seem more attractive. It seems that it can help you build a nice future career, especially as there are a lot of resources you can access. But these subjects complement each other nicely.

Concepts you study in math will be useful in computer science too. Learning computer science without math will make it more difficult to evolve and build a solid knowledge base. Many high school math questions shed more light on some challenging computer science concepts, such as algorithms. No matter if you do online high school math, or you go to classes, what you learn during these hours will be of tremendous help.

However, learning computer science is just as important as learning mathematics. Let’s see why.

Having an Advantage

Considering the fact that technology is so deeply intertwined with our lifestyles, knowing how to use it is always a plus. But anyone knows how to use a smartphone or smartwatch as they are user-friendly. But what happens if you want to go beyond the traditional user interface? What happens if a nice idea strikes you, and you want to try it and see how it works?

Well, for this you need computer science knowledge. Which can be developed and improved during high school, with an equal emphasis on math too. Having at least the basic knowledge to get started in computer science or build your custom app can prove to be an advantage.

Computer Science Can Be Used to Teach Math

The best math apps for high school have a few modules that help you practice the easiest and most difficult math concepts equally. But sometimes, learning math can feel like a burden. As mentioned above, math anxiety is something common, and it can be triggered by a lot of factors. But what is important is that math just builds upon the previous year.

So, if you haven’t understood the math concepts taught earlier, it would be difficult to advance. Well, this is the case for many students. And computer science can be used to teach math. High school students are more attracted by new technologies, platforms, and apps to use and discover. And because computer science relies on math concepts, it can be used to teach math to students too.

Like this, students can understand the connection of math with real life too. A lot of them think that what they learn during math classes will not be useful later in life. Some even ask themselves how integrals, derivatives, or matrices help them. But if you understand that all these complex concepts are present in computer science in one way or another, learning them might be easier.

Final Words

Many students and people fail to understand that math is present in our everyday life. And as computer science is a much more appealing subject, many think about it taking priority over the math in the high school curriculum. Even though this might sound nice, these two subjects complement each other, and they should be given equal priority.