package kaheksa; import java.awt.Button; import java.awt.Frame; import java.awt.Panel; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class Kuularid extends Panel implements ActionListener{ private static final long serialVersionUID = 1L; Button nupp1=new Button("Esimene"); Button nupp2=new Button("Teine"); Button nupp3=new Button("Kolmas"); public Kuularid(){ add(nupp1); add(nupp2); add(nupp3); nupp3.addActionListener(e -> { System.out.println("Kolm"); System.out.println("Uus nupp"); }); nupp2.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ System.out.println("Kaks"); } }); nupp1.addActionListener(this); } public void actionPerformed(ActionEvent e){ System.out.println("Üks"); } public static void main(String[] args) { Frame f=new Frame(); f.add(new Kuularid()); f.setSize(300, 200); f.setVisible(true); } }