How to Read a File in Java

In this example we will show the method to read a file in Java.

Source Code

package com.beginner.examples;

import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;

public class ReadFile {  
  public static void main(String[] args) {
    try {
      File f = new File("example.txt");
      Scanner reader = new Scanner(f);
      while (reader.hasNextLine()) { // read a file
        String content = reader.nextLine();
        System.out.println(content);
      }
      reader.close();
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
  }
}

Output:

test

References

Imported packages in Java documentation:

• File
• Exception
• FileNotFoundException
• Scanner