이 프레임에 툴바를 추가하는 방법은 무엇입니까?

Question

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이 프레임에 도구 모음을 추가하는 방법은 무엇입니까?

import java.awt.*; 
    import javax.swing.*; 
    import java.awt.event.*; 
    import java.net.URL; 
    import javax.swing.JDesktopPane; 
    import javax.swing.JFrame; 
    import javax.swing.JInternalFrame; 
    import javax.swing.JMenu; 
    import javax.swing.JMenuBar; 
    import javax.swing.JMenuItem; 
    import javax.swing.JOptionPane; 
    import javax.swing.SwingUtilities; 

    public class Main1 extends JFrame{ 

    JDesktopPane jdpDesktop; 


    public Main1() { 

     JFrame frame = new JFrame("MainForm"); 

     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
     jdpDesktop = new JDesktopPane() { 
      @Override 
      public Dimension getPreferredSize() { 
       return new Dimension(600, 600); 
      } 
     }; 

     createFrame(); 

     frame.setContentPane(jdpDesktop); 

     frame.setJMenuBar(createMenuBar()); 

     frame.pack(); 
     frame.setVisible(true); 
    } 

    JMenuBar createMenuBar() { 
     JMenuBar menuBar = new JMenuBar(); 
      JMenu menu = new JMenu("Settings"); 
     JMenuItem menuItem = new JMenuItem("Logout"); 
     menuItem.setMnemonic(KeyEvent.VK_N); 
     menuItem.addActionListener(new ActionListener() { 
      public void actionPerformed(ActionEvent e) { 
       JOptionPane.showMessageDialog(
         null, 
         "Thank You", 
         "Logout", JOptionPane.PLAIN_MESSAGE 
         ); 
      } 
     }); 
     menu.add(menuItem); 
     menuBar.add(menu); 
     return menuBar; 
    } 

    protected void createFrame() { 
     MyInternalFrame frame = new MyInternalFrame(); 
     frame.setVisible(true); jdpDesktop.add(frame); 

    } 

    class MyInternalFrame extends JInternalFrame { 

     static final int xPosition = 150, yPosition = 140; 

     public MyInternalFrame() { 
      super("Calculator" , true, 
        true, 
        true, 
        true); 
      setSize(300, 300); 
      // Set the window's location. 
      setLocation(xPosition , yPosition 
        ); 

     setLayout(null); 
     getContentPane().setBackground(Color.white); 

     } 
    } 




    public static void main(String[] args) { 
     SwingUtilities.invokeLater(new Runnable() { 
      @Override 
      public void run() { 
       new Main1(); 
      } 
     }); 
    } } 

Answer 1

쉽습니다. How to Use Tool Bars을보십시오. 이 것을 포함하여 예제가 제공됩니다. here