package com;
import javax.swing.JFrame;
public class Framefirst extends JFrame{
public Framefirst()
{
this.setTitle(" hjgj");//设置窗体标题
this.setBounds(300,200,500,500);//设置x轴定位,y轴定位,窗体宽,窗体高
//this.setSize(580,600);//设置窗体宽高
//this.setLocation(300,200);//设置x,y轴定位
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置关闭窗体按钮
this.setVisible(true);//设置窗体可见
}
public static void main(String[] args) {
new Framefirst();
}
}