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Multiple JButtons With A Single ActionListener

/ Published in: Java
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This code snippet shows how to handle multiple JButtons with a single ActionListener.

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  1. import javax.swing.JFrame;
  2. import javax.swing.JPanel;
  3. import javax.swing.JButton;
  4. import java.awt.event.ActionListener;
  5. import java.awt.event.ActionEvent;
  6.  
  7. class Main implements ActionListener{
  8.  
  9. 	public static void main(String args[]){
  10. 		Main main = new Main();
  11. 	}
  12.  
  13. 	public Main(){
  14. 		JFrame frame = new JFrame();
  15. 		JPanel panel = new JPanel();
  16.  
  17. 		JButton button1 = new JButton();
  18. 		button1.setText("Button 1");
  19. 		button1.addActionListener(this);
  20.  
  21. 		JButton button2 = new JButton();
  22. 		button2.setText("Button 2");
  23. 		button2.addActionListener(this);
  24.  
  25. 		panel.add(button1);
  26. 		panel.add(button2);
  27.  
  28. 		frame.getContentPane().add(panel);
  29.  
  30. 		frame.setSize(200,200);
  31. 		frame.setVisible(true);
  32. 	}
  33.  
  34. 	public void actionPerformed(ActionEvent e){
  35. 		switch(e.getActionCommand()){
  36. 			case "Button 1":
  37. 				System.out.println("You clicked Button 1");
  38. 				break;
  39. 			case "Button 2":
  40. 				System.out.println("You clicked Button 2");
  41. 				break;
  42. 		}
  43. 	}
  44. }

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