receiver.java

几个简单的java学习代码

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.border.*;


public class Receiver extends JApplet implements
                                            ActionListener{
    private final String waitingMessage = "Waiting for a message...           ";
    private JLabel label = new JLabel(waitingMessage, JLabel.RIGHT);


    public void init() {
       JPanel panel = new JPanel();
       panel.setBorder(BorderFactory.createCompoundBorder(
                    BorderFactory.createEmptyBorder(10,10,10,10),
                   BorderFactory.createLineBorder(Color.black )));
        panel.setBackground(Color.white );

        panel.add(label);
        JButton button= new JButton("Clear");
        button.addActionListener(this) ;
        panel.add(button);
     //   panel.add(new JTextField("happy"));
        panel.add(new JLabel("(My name is " + getParameter("name") + ".)",
                      JLabel.LEFT));
        this.setContentPane(panel) ;

    }

    public void actionPerformed(ActionEvent event) {
        label.setText(waitingMessage);
    }

    public void processRequestFrom(String senderName) {
        label.setText("Received message from " + senderName + "!");

    }

    public String getAppletInfo() {
        return "Receiver (named " + getParameter("name") + ") by Kathy Walrath";
    }
}