Thread: TxT file - write in the next line

Hello guys I need a little help(I think). So i start work with TxT files. And i need know how to write text in the next line if file exist. My code just last text replace new.. Here code :
Main :

 package YoYo;
import java.util.Scanner;
 
public class Main {
	static String atsakymas;
	static String FileName;
 
 
 
	static Scanner kl = new Scanner(System.in);
	static Scanner kl2 = new Scanner(System.in);
 
	static Creating create = new Creating();
	public static void main(String[]args) {
 
		String irasyti = grazina();
 
		System.out.println("Please enter file name");
		FileName = kl.nextLine();
		create.createFile(FileName,irasyti);
		create.closeFile();
 
 
 
		}
 
	static String grazina() {
		String irasyti = null;
		System.out.println("Are you want write something in file?");
		atsakymas = kl2.nextLine();
		if (atsakymas.equals("Yes")) {
			System.out.println("What you want write?");
			irasyti = kl.nextLine();
			System.out.println(irasyti);
 
		}
		return irasyti;
 
	}
 
}

Creating:

 
package YoYo;
 
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.Formatter;
 
public class Creating {
 
	PrintWriter x;
	String file;
	String WhatWrite;
 
	public void createFile(String filename, String writing) {
		file = filename;
		WhatWrite = writing;
		try {
 
			x = new PrintWriter(file);
			x.println(WhatWrite);
 
 
		} catch(Exception e) {
			System.out.println("Error");
		}
 
	}
 
 
 
	public void closeFile() {
		x.close();
	}
 
 
 
 
 
 
}

Sorry for bad English

Very very thank you andbin