psp
public java v1 · immutableimport java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;public class WindowDestroyer extends WindowAdapter{ public void windowClosing(WindowEvent e) { System.exit(0); }}import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;public class WindowDestroyer extends WindowAdapter{ public void windowClosing(WindowEvent e) { System.exit(0); }}