[Java 18-1 MenuBarApp] 메뉴바에 메뉴 부착

package xyz.itwill.awt;

import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.MenuShortcut;
import java.awt.TextArea;
import java.awt.event.KeyEvent;

//Frame >> MenuBar >> Menu >> MenuItem
public class MenuBarApp extends Frame{

	private static final long serialVersionUID = 1L;
	
	public MenuBarApp(String title) {
		// TODO Auto-generated constructor stub
		super(title);
		
		MenuBar menuBar=new MenuBar();
		
		Menu file=new Menu("File");
		Menu help=new Menu("Help");
		
		menuBar.add(file);//메뉴바에 메뉴 부착
		menuBar.add(help);
		
		//MenuShortcut : 단축키를 설정하기 위한 클래스
		MenuItem open=new MenuItem("Open", new MenuShortcut(KeyEvent.VK_0));
		MenuItem save=new MenuItem("Save", new MenuShortcut(KeyEvent.VK_S));
		MenuItem exit=new MenuItem("Exit");
		
		MenuItem view=new MenuItem("Help View");
		MenuItem info=new MenuItem("Information");
		
		file.add(open);//메뉴에 메뉴아이템 부착
		file.add(save);
		file.addSeparator();//메뉴에 구분선 부착
		file.add(exit);
		
		help.add(view);
		help.add(info);
		
		//Frame.setMenuBar(MenuBar mb) : 프레임에 메뉴바를 변경하는 메소드
		setMenuBar(menuBar);
		add(new TextArea(), BorderLayout.CENTER);
		
		setBounds(500,100,1000,700);
		setVisible(true);
	}
	public static void main(String[] args) {
		new MenuBarApp("MenuBar");
	}

}