File list (Check if you may need any files):
技能百练
........\中级界面篇
........\..........\练习27彩色圆盘
........\..........\..............\Animate.class
........\..........\..............\Animate.java
........\..........\..............\ExitableJFrame.class
........\..........\..............\ExitableJFrame.java
........\..........\..............\练习27彩色圆盘.doc
........\..........\练习28绘制2D图形
........\..........\................\GraphicsCanvasTest.class
........\..........\................\GraphicsCanvasTest.html
........\..........\................\GraphicsCanvasTest.java
........\..........\................\koCanvas.class
........\..........\................\练习28绘制2D图形.doc
........\..........\练习29变化的圆形
........\..........\................\ButtonCanvasTest.class
........\..........\................\ButtonCanvasTest.html
........\..........\................\ButtonCanvasTest.java
........\..........\................\koCanvas.class
........\..........\................\练习29变化的圆形.doc
........\..........\练习30动态画布
........\..........\..............\CanvasTest.class
........\..........\..............\CanvasTest.html
........\..........\..............\CanvasTest.java
........\..........\..............\练习30动态画布.doc
........\..........\练习31有背景的表格
........\..........\..................\ImageTable.class
........\..........\..................\TableDemo$1.class
........\..........\..................\TableDemo.class
........\..........\..................\TableDemo.java
........\..........\..................\练习31有背景的表格.doc
........\..........\练习32拖拽和移动鼠标
........\..........\....................\Mousetest2.class
........\..........\....................\Mousetest2.html
........\..........\....................\Mousetest2.java
........\..........\....................\练习32拖拽和移动鼠标.doc
........\..........\练习33按下和松开鼠标
........\..........\....................\Mousetest1.class
........\..........\....................\Mousetest1.html
........\..........\....................\Mousetest1.java
........\..........\....................\练习33按下和松开鼠标.doc
........\..........\练习34控制光标形状
........\..........\..................\CursorChoice.class
........\..........\..................\CursorChoice.java
........\..........\..................\CursorChoiceTest$1.class
........\..........\..................\CursorChoiceTest.class
........\..........\..................\CursorChoiceTest.html
........\..........\..................\CursorChoiceTest.java
........\..........\..................\练习34控制光标形状.doc
........\..........\练习35用鼠标生成矩形
........\..........\....................\MouseFrame$1.class
........\..........\....................\MouseFrame.class
........\..........\....................\MousePanel$1.class
........\..........\....................\MousePanel.class
........\..........\....................\MouseSquare.class
........\..........\....................\MouseSquare.java
........\..........\....................\练习35用鼠标生成矩形.doc
........\..........\练习36异或模式制作的小动画
........\..........\..........................\BallAnim.class
........\..........\..........................\BallAnim.html
........\..........\..........................\BallAnim.java
........\..........\..........................\练习36异或模式制作的小动画.doc
........\..........\练习37显示不同尺寸字体
........\..........\......................\FontApplet2.class
........\..........\......................\FontApplet2.html
........\..........\......................\FontApplet2.java
........\..........\......................\练习37显示不同尺寸字体.doc
........\..........\练习38分析字符串
........\..........\................\TokenApplet.class
........\..........\................\TokenApplet.html
........\..........\................\TokenApplet.java
........\..........\................\练习38分析字符串.doc
........\..........\练习39抽取字符串
........\..........\................\StringApplet3.class
........\..........\................\StringApplet3.html
........\..........\................\StringApplet3.jav