package?com.mingrisoft.undoredo;

import?java.awt.BorderLayout;
import?java.awt.EventQueue;
import?java.awt.Font;
import?java.awt.GridLayout;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;

import?javax.swing.JButton;
import?javax.swing.Jframe;
import?javax.swing.JPanel;
import?javax.swing.JScrollPane;
import?javax.swing.JTextArea;
import?javax.swing.UIManager;
import?javax.swing.border.EmptyBorder;
import?javax.swing.event.UndoableEditEvent;
import?javax.swing.event.UndoableEditListener;
import?javax.swing.undo.UndoManager;

public?class?UndoRedoTest?extends?Jframe?{
????
????/**
?????*?
?????*/
????private?static?final?long?serialVersionUID?=?4740794263780422776L;
????private?JPanel?contentPane;
????private?UndoManager?manager?=?new?UndoManager（）;
????private?JButton?undoButton;
????private?JButton?redoButton;
????
????/**
?????*?Launch?the?application.
?????*/
????public?static?void?main（String[]?args）?{
????????try?{
???

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件?????????232??2010-09-11?17:00??.classpath
?????文件?????????379??2010-09-11?17:00??.project
?????文件?????????803??2013-11-21?08:41??bin\com\mingrisoft\undoredo\UndoRedoTest$1.class
?????文件?????????780??2013-11-21?08:41??bin\com\mingrisoft\undoredo\UndoRedoTest$2.class
?????文件?????????780??2013-11-21?08:41??bin\com\mingrisoft\undoredo\UndoRedoTest$3.class
?????文件????????1091??2013-11-21?08:41??bin\com\mingrisoft\undoredo\UndoRedoTest$4.class
?????文件????????3984??2013-11-21?08:41??bin\com\mingrisoft\undoredo\UndoRedoTest.class
?????文件????????4118??2010-09-11?17:00??src\com\mingrisoft\undoredo\UndoRedoTest.java