Write to File in Java: Explanation & Practice

Problem summary

Write 'Hello, File!' to a text file and confirm success.

Starter code

import java.io.*;

public class Main {
    public static void main(String[] args) {
        // Write "Hello, File!" to output.txt
        // Print: Write successful
    }
}

Expected output and test cases

• File written

  Write successful

Hints

1. Use FileWriter or BufferedWriter
2. Close resources properly
3. Use try-with-resources

Related File I/O exercises

• Practice Read from File in Java
• Practice Append to File in Java
• Practice Count Lines in File in Java

Practice all File I/O exercises · Run this idea in the Java compiler