How do I read a text file?
Category: java.io, viewed: 105979 time(s).
The code shown below is an example how to read a text file. This program will read a file called test.txt and shown its content.
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileNotFoundException;
import java.io.IOException;
public class ReadTextFileExample
{
public static void main(String[] args)
{
File file = new File("test.txt");
StringBuffer contents = new StringBuffer();
BufferedReader reader = null;
try
{
reader = new BufferedReader(new FileReader(file));
String text = null;
// repeat until all lines is read
while ((text = reader.readLine()) != null)
{
contents.append(text)
.append(System.getProperty(
"line.separator"));
}
} catch (FileNotFoundException e)
{
e.printStackTrace();
} catch (IOException e)
{
e.printStackTrace();
} finally
{
try
{
if (reader != null)
{
reader.close();
}
} catch (IOException e)
{
e.printStackTrace();
}
}
// show file contents here
System.out.println(contents.toString());
}
}
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