Java Example Program/ Sample Source Code
import java.awt.BorderLayout; 
import java.awt.Frame; 
import java.awt.TextField; 
import java.awt.event.WindowAdapter; 
import java.awt.event.WindowEvent; 
 
class WindowDeactivatedExample { 
  public static void main(String args[]) { 
    Frame frame = new Frame("WindowAdapterExample"); 
    TextField textField = new TextField(); 
    frame.add(textField, BorderLayout.NORTH); 
    frame.pack(); 
    frame.setVisible(true); 
    frame.addWindowListener(new WindowAdapter() { 
      public void windowClosing(WindowEvent we) { 
        System.exit(0); 
      } 
    }); 
  } 
} | 
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