import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
public class Nupublokeerimine extends Applet implements ActionListener{
  Button nupp1=new Button("Blokeeri");
  Button nupp2=new Button("Vabasta");
  public Nupublokeerimine(){
    add(nupp1);
    add(nupp2);
    nupp1.addActionListener(this);
    nupp2.addActionListener(this);
  }
  public void actionPerformed(ActionEvent e){
    if(e.getSource()==nupp1){
      nupp1.setEnabled(false);
    }
    if(e.getSource()==nupp2){
      nupp1.setEnabled(true);
    }
  }  
  public static void main(String argumendid[]){
    Frame f=new Frame();
    f.add(new Nupublokeerimine());
    f.setSize(200, 200);
    f.setVisible(true);
  }
}