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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Test {
public static void main(String[] args) {
JFrame anaPencere = new JFrame("Dosya Yönetimi");// pencere nesnesi

JPanel panel = new JPanel();// Panel oluşturuldu
anaPencere.add(panel);// pencereye eklendi

JButton dosyaOlusturButton = new JButton("Dosya Oluştur");// Buton oluşturuldu
panel.add(dosyaOlusturButton);// Buton panele eklendi

dosyaOlusturButton.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {

String dosyaYolu = "C:\Users\Mku\Desktop\dosya.txt";

File dosya = new File(dosyaYolu);

if (dosya.exists()) {
// Dosya var ise yapılacak işlemler
System.out.println("Bu dosya zaten daha önce oluşturulmuş");
} else {
// Dosya yok ise yapılacak işlemler

try {
dosya.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}

}

}
});

anaPencere.setSize(500, 500);// pencerenin boyutları
anaPencere.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// çarpı kapatmaya yarasın
anaPencere.setLocationRelativeTo(null);// pencere ortalansın
anaPencere.setVisible(true);// Görünür olsun
}

}
     
 
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