package com.han;import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.Rectangle;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JToolBar;public class JToolBar_1 extends JFrame {	/**	 * 	 */	private static final long serialVersionUID = -5613166990529085530L;	static Dimension dimension;		public JToolBar_1() {		// TODO Auto-generated constructor stub		JToolBar toolBar = new JToolBar("工具栏");		toolBar.setFloatable(false);		// toolBar.setFloatable(true);		getContentPane().add(toolBar, BorderLayout.NORTH);		JButton newButton = new JButton("新建");		toolBar.add(newButton);		newButton.addActionListener(new newButtonListener());		toolBar.addSeparator();				JButton saveButton = new JButton("保存");		toolBar.add(saveButton);		saveButton.addActionListener(new saveButtonListener());		toolBar.addSeparator(new Dimension(20, 0));				JButton exitButton = new JButton("退出");		toolBar.add(exitButton);		exitButton.addActionListener(new exitButtonListener());				dimension = toolBar.getPreferredSize();	}	private class newButtonListener implements ActionListener {		@Override		public void actionPerformed(ActionEvent e) {			// TODO Auto-generated method stub					}			}		private class saveButtonListener implements ActionListener {		@Override		public void actionPerformed(ActionEvent e) {			// TODO Auto-generated method stub					}			}		private class exitButtonListener implements ActionListener {		@Override		public void actionPerformed(ActionEvent e) {			// TODO Auto-generated method stub					}			}		/**	 * @param args	 */	public static void main(String[] args) {		// TODO Auto-generated method stub		JToolBar_1 frame = new JToolBar_1();		frame.setTitle("使用工具栏");		frame.setVisible(true);		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);		Rectangle rectangle = new Rectangle(100, 100, dimension.width + 300,				dimension.width + 100);		frame.setBounds(rectangle);	}}