java append to file

/**
 * @author lautturi.com
 * Java example: java append to file
 */

import java.util.*;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class Lautturi {

	public static void main(String[] args) throws IOException {

		File file = new File("test.txt");
		FileWriter fr = new FileWriter(file, true);
		fr.write("data");
		fr.close();
		
	}
}