JAVA-聊天室

package com.itheima;

import javax.swing.*;

public class JFrame06 {
    public static void main(String[] args) {
        JFrame jf=new JFrame();
        jf.setTitle("聊天室");
        jf.setSize(400,300);
        jf.setDefaultCloseOperation(3);
        jf.setLocationRelativeTo(null);
        jf.setAlwaysOnTop(true);
        jf.setLayout(null);        //取消窗体的默认布局

        //显示聊天信息的文本域
        JTextArea messageArea =new JTextArea();
        messageArea.setBounds(10,10,360,200);
        jf.add(messageArea);


        //输入聊天信息的文本框
        JTextField messageField = new JTextField();
        messageField.setBounds(10,230,180,20);
        jf.add(messageField);

        //发送按钮

        JButton PutButton = new JButton("发送");
        PutButton.setBounds(200,230,70,20);
        jf.add(PutButton);


        //清空聊天
        //发送按钮

        JButton CleanButton = new JButton("清空聊天");
        CleanButton.setBounds(280,230,100,20);
        jf.add(CleanButton);


        //添加按钮到窗体中
        jf.setVisible(true);


    }
}