有两个类
import javax.swing.*;
public class MainClass{ /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ShowWindow lottWin = new ShowWindow();
lottWin.init();
}}
import javax.swing.*;
import java.awt.*;
public class ShowWindow extends JFrame {
//
static final int DEFUALT_HEIGHT = 900;
static final int DEFUALT_WIDTH = 700;
//菜单栏
JMenuBar menub=new JMenuBar();
JMenu files=new JMenu("文件");
JMenuItem open=new JMenuItem("打开(O)...");
JMenuItem save=new JMenuItem("保存(S)");
JMenuItem saveAs=new JMenuItem("另存为(A)...");
JMenuItem exit=new JMenuItem("退出(X)");
ShowWindow () {
setBounds(350, 150, DEFUALT_HEIGHT, DEFUALT_WIDTH);
setVisible(true);
setResizable(false);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
//初始化
void init () {
files.add(open);
files.add(save);
files.add(saveAs);
files.add(exit);
menub.add(files);
setJMenuBar(menub);
}
}
import javax.swing.*;
public class MainClass{ /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ShowWindow lottWin = new ShowWindow();
lottWin.init();
}}
import javax.swing.*;
import java.awt.*;
public class ShowWindow extends JFrame {
//
static final int DEFUALT_HEIGHT = 900;
static final int DEFUALT_WIDTH = 700;
//菜单栏
JMenuBar menub=new JMenuBar();
JMenu files=new JMenu("文件");
JMenuItem open=new JMenuItem("打开(O)...");
JMenuItem save=new JMenuItem("保存(S)");
JMenuItem saveAs=new JMenuItem("另存为(A)...");
JMenuItem exit=new JMenuItem("退出(X)");
ShowWindow () {
setBounds(350, 150, DEFUALT_HEIGHT, DEFUALT_WIDTH);
setVisible(true);
setResizable(false);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
//初始化
void init () {
files.add(open);
files.add(save);
files.add(saveAs);
files.add(exit);
menub.add(files);
setJMenuBar(menub);
}
}
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货