[JAVA] APPLET - ButtonEvent

버튼을 생성하여 컨테이너 애플릿에 붙인뒤 이벤트 처리

1. import java.awt.*;
2. import java.applet.*;
3. import java.awt.event.*;
5. public class ButtonExam extends Applet implements ActionListener
6. {
7.   Label myLabel;
8.   Button myButton1, myButton2, myButton3;
10.   public void init()
11.   {
12.     myButton1 = new Button();
13.     myButton1.setLabel("C언어");
14.     myButton1.addActionListener(this);
15.     add(myButton1);
17.     myButton2 = new Button("C++언어");
18.     myButton2.addActionListener(this);
19.     add(myButton2);
20.    
21.     myButton3 = new Button("자바");
22.     myButton3.addActionListener(this);
23.     add(myButton3);
24.    
25.     myLabel = new Label();
26.     myLabel.setText("버튼을 눌러주세요!");
27.     myLabel.setAlignment(Label.CENTER);
28.     myLabel.setBackground(Color.yellow);
29.     add(myLabel);
30.   }
32.   public void actionPerformed(ActionEvent e)
33.   {
34.     if(e.getSource() == myButton1) {
35.       myLabel.setText("선택 : C언어");
36.     } else if(e.getSource()==myButton2) {
37.       myLabel.setText("선택 : C++언어");
38.     } else if(e.getSource()==myButton3) {
39.       myLabel.setText("선택 : 자바");
40.     }
41.   }
42. }