QQ发信息界面

/** * 作者： * 日期： * 功能： */package com.ch;import java.awt.*;import javax.swing.*;import javax.swing.JTextArea;public class Demo12 extends JFrame{//定义组件JTextArea jta;JPanel jp;JScrollPane jsp;JComboBox jcbx;JTextField jtf;JButton jb;//构造函数public Demo12(){jta = new JTextArea();jp = new JPanel();String name1[] = {"马克思","恩格斯","乔布斯"};jcbx = new JComboBox(name1);jtf = new JTextField(15);jb = new JButton("发送");jsp = new JScrollPane(jta);jp.add(jcbx);jp.add(jtf);jp.add(jb);this.add(jsp,BorderLayout.CENTER);this.add(jp,BorderLayout.SOUTH);this.setTitle("QQ聊天");this.setIconImage((new ImageIcon("images//QQ.png").getImage()));this.setSize(350,200);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);}public static void main(String[] args) {new Demo12();}}