button.java

来自「由于想一次上传成功 所以将二个教程打包成了一个 这些例子几乎包含了所有java的」· Java 代码 · 共 35 行

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class button extends Applet implements ActionListener {

/*
<APPLET
    CODE=button.class
    WIDTH=200
    HEIGHT=200 >
</APPLET>
*/

    TextField text1;
    Button button1;

    public void init()
    {
        text1 = new TextField(20);
        add(text1);
        button1 = new Button("Click Here!");
        add(button1);
        button1.addActionListener(this);
    }

    public void actionPerformed(ActionEvent event)
    {
        String msg = new String ("Hello from Java!");
        if(event.getSource() == button1){
            text1.setText(msg);
        }
    }
}