gaojihui
发贴: 5
积分: 0
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于 2005-03-30 23:45
为何出错?我可是按照书上写的呀! //import java.applet.*; import java.awt.*; import java.awt.event.*; public class applicationgraphicsinout { public static void main(String args[]) { new FrameInOut(); } }
class FrameInOut extends Frame implements ActionListener { Label prompt; TextField input,output; public void init() { prompt=new Label("input your name:"); input=new TextField; output=new TextField(20); add(prompt); add(input); add(output); input.addActionListener(this); setSize(300,200); show(); } public void actionperformed(ActionEvent e) { output.setText(input.getText()+"welcom!"); } }
why edited on 2005-04-01 01:48
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