java程序,写一个记事本,有查找和替换的功能答:import java.io.*;import java.awt.event.*;import javax.swing.*;public class MainClass extends JFrame implements ActionListener{ int width = 500,height = 400;JPanel panel;JMenuBar bar;JMenu fileMenu,editMenu,helpMenu;JMenuItem 打开O,新建N,保存S,另存A,剪切T,复制C,粘贴P,关于A;...
用JAVA 编写一个记事本,要有保存和设置字体的功能答:mb.addMenuItems(1, new String[] { "剪贴", "复制", "粘贴", "清除", null, "全选" });mb.addMenuItems(2, new String[] { "查找", null, "查找替换" });mb.addMenuItems(3, new String[] { "我的记事本信息" });add(editor);mb.addActionListener(this);addWindowListener(...