文件名称:chang-colour
介绍说明－－下载内容均来自于网络，请自行研究使用
将窗口的颜色由蓝色变为红色，再由红色变为蓝色-The window' s color from blue to red, and then from red to blue
(系统自动生成,下载前可以参看下载内容)
下载文件列表
窗口颜色从红到蓝
................\.classpath
................\.project
................\bin
................\...\sec1
................\...\....\ButtonDemo.class
................\...\....\MyException.class
................\...\....\MyGeneralWindow.class
................\...\....\MyWindow.class
................\...\....\Tester.class
................\...\....\WindowCloser.class
................\src
................\...\sec1
................\...\....\ButtonDemo.java
................\...\....\MyException.java
................\...\....\MyGeneralWindow.java
................\...\....\MyWindow.java
................\...\....\Tester.java
................\...\....\WindowCloser.java