calculator.java

用java写的简单计算器。 实现加

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;


public class Calculator {

	private JFrame frame;

	/**
	 * Launch the application
	 * @param args
	 */
	public static void main(String args[]) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					Calculator window = new Calculator();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application
	 */
	public Calculator() {
		createContents();
	}

	/**
	 * Initialize the contents of the frame
	 */
	private void createContents() {
		frame = new JFrame();
		frame.setTitle("科学计算器");
		frame.setBounds(100, 100, 500, 375);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		final JMenuBar menuBar = new JMenuBar();
		frame.setJMenuBar(menuBar);

		final JMenu menu = new JMenu();
		menu.setToolTipText("");
		menu.setName("");
		menu.addActionListener(new ActionListener() {
			public void actionPerformed(final ActionEvent e) {
			}
		});
		menu.setText("编辑");
		menuBar.add(menu);

		final JMenuItem newItemMenuItem = new JMenuItem();
		newItemMenuItem.setText("复制");
		menu.add(newItemMenuItem);

		final JMenuItem newItemMenuItem_1 = new JMenuItem();
		newItemMenuItem_1.setText("粘贴");
		menu.add(newItemMenuItem_1);

		final JMenu menu_1 = new JMenu();
		menu_1.addActionListener(new ActionListener() {
			public void actionPerformed(final ActionEvent e) {
			}
		});
		menu_1.setText("查看");
		menuBar.add(menu_1);

		final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem = new JRadioButtonMenuItem();
		newRadiobuttonRadioButtonMenuItem.setText("二进制");
		menu_1.add(newRadiobuttonRadioButtonMenuItem);

		final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem_1 = new JRadioButtonMenuItem();
		newRadiobuttonRadioButtonMenuItem_1.setText("八进制");
		menu_1.add(newRadiobuttonRadioButtonMenuItem_1);

		final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem_2 = new JRadioButtonMenuItem();
		newRadiobuttonRadioButtonMenuItem_2.setText("十进制");
		menu_1.add(newRadiobuttonRadioButtonMenuItem_2);

		final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem_3 = new JRadioButtonMenuItem();
		newRadiobuttonRadioButtonMenuItem_3.setText("十六进制");
		menu_1.add(newRadiobuttonRadioButtonMenuItem_3);

		final JMenu menu_2 = new JMenu();
		menu_2.addActionListener(new ActionListener() {
			public void actionPerformed(final ActionEvent e) {
			}
		});
		menu_2.setText("帮助");
		menuBar.add(menu_2);

		final JMenuItem newItemMenuItem_2 = new JMenuItem();
		newItemMenuItem_2.setText("帮助主题");
		menu_2.add(newItemMenuItem_2);

		final JMenuItem newItemMenuItem_3 = new JMenuItem();
		newItemMenuItem_3.setText("关于计算器");
		menu_2.add(newItemMenuItem_3);
	}

}