How do I select records from database using JdbcTemplate?

In this example you will learn how to select records from the database using JdbcTemplate.queryForList() method. This method returns a List object which stores information selected from the table in a HashMap object. The key of the map is the table’s field names while the value of the map contains the corresponding table’s field value.

package org.kodejava.example.spring.jdbc;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DriverManagerDataSource;

import java.util.HashMap;
import java.util.List;

public class SelectDemo {
    public static void main(String[] args) {
        // Creates a DataSource object.
        DriverManagerDataSource ds = new DriverManagerDataSource();

        // Creates an instance of JdbcTemplate.
        JdbcTemplate template = new JdbcTemplate(ds);

        // Executes a select query using queryForList() method. This
        // method returns a List containing HashMap object. The key
        // of the map is the table's field name and the value is
        // the table's field value.
        String query = "SELECT * FROM records";
        List results = template.queryForList(query);
        for (Object result : results) {
            HashMap map = (HashMap) result;
            for (Object key : map.keySet()) {
                System.out.print(key + " = " + map.get(key) + "; ");


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