用继承、多态实验绘制三角形、圆、矩形

[{"title":"（ 42 个子文件 65KB ） 用继承、多态实验绘制三角形、圆、矩形","children":[{"title":"Draw101220","children":[{"title":"Draw","children":[{"title":".project <span style='color:#111;'> 380B </span>","children":null,"spread":false},{"title":"bin","children":[{"title":"com","children":[{"title":"Tool","children":[{"title":"LineTool.class <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"CircleTool.class <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"TrigleTool.class <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"RectTool.class <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"Tool.class <span style='color:#111;'> 539B </span>","children":null,"spread":false},{"title":"MoveTool.class <span style='color:#111;'> 1.58KB </span>","children":null,"spread":false},{"title":"SelectTool.class <span style='color:#111;'> 1.56KB </span>","children":null,"spread":false}],"spread":true},{"title":"main","children":[{"title":"DrawFrame.class <span style='color:#111;'> 4.06KB </span>","children":null,"spread":false},{"title":"FactoryCreateShape.class <span style='color:#111;'> 862B </span>","children":null,"spread":false},{"title":"DrawFrame$PaintCanvas.class <span style='color:#111;'> 2.75KB </span>","children":null,"spread":false},{"title":"OpenThread.class <span style='color:#111;'> 1.94KB </span>","children":null,"spread":false},{"title":"Main.class <span style='color:#111;'> 538B </span>","children":null,"spread":false},{"title":"ToolManager.class <span style='color:#111;'> 886B </span>","children":null,"spread":false}],"spread":true},{"title":"Database","children":[{"title":"DataBase.class <span style='color:#111;'> 1.61KB </span>","children":null,"spread":false}],"spread":true},{"title":"Shape","children":[{"title":"Trigle.class <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Line.class <span style='color:#111;'> 1.88KB </span>","children":null,"spread":false},{"title":"Circle.class <span style='color:#111;'> 1004B </span>","children":null,"spread":false},{"title":"Rectangle.class <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"Shape.class <span style='color:#111;'> 4.58KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":".settings","children":[{"title":"org.eclipse.jdt.core.prefs <span style='color:#111;'> 629B </span>","children":null,"spread":false}],"spread":true},{"title":"Draw.mdl <span style='color:#111;'> 267.78KB </span>","children":null,"spread":false},{"title":"src","children":[{"title":"com","children":[{"title":"Tool","children":[{"title":"LineTool.java <span style='color:#111;'> 885B </span>","children":null,"spread":false},{"title":"TrigleTool.java <span style='color:#111;'> 866B </span>","children":null,"spread":false},{"title":"Tool.java <span style='color:#111;'> 216B </span>","children":null,"spread":false},{"title":"RectTool.java <span style='color:#111;'> 856B </span>","children":null,"spread":false},{"title":"MoveTool.java <span style='color:#111;'> 1.01KB </span>","children":null,"spread":false},{"title":"SelectTool.java <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"CircleTool.java <span style='color:#111;'> 866B </span>","children":null,"spread":false}],"spread":true},{"title":"main","children":[{"title":"ToolManager.java <span style='color:#111;'> 435B </span>","children":null,"spread":false},{"title":"Main.java <span style='color:#111;'> 261B </span>","children":null,"spread":false},{"title":"FactoryCreateShape.java <span style='color:#111;'> 448B </span>","children":null,"spread":false},{"title":"OpenThread.java <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"DrawFrame.java <span style='color:#111;'> 5.93KB </span>","children":null,"spread":false}],"spread":true},{"title":"Database","children":[{"title":"DataBase.java <span style='color:#111;'> 1021B </span>","children":null,"spread":false}],"spread":true},{"title":"Shape","children":[{"title":"Trigle.java <span style='color:#111;'> 543B </span>","children":null,"spread":false},{"title":"Rectangle.java <span style='color:#111;'> 883B </span>","children":null,"spread":false},{"title":"Line.java <span style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"Shape.java <span style='color:#111;'> 4.32KB </span>","children":null,"spread":false},{"title":"Circle.java <span style='color:#111;'> 503B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"Draw.md~ <span style='color:#111;'> 267.78KB </span>","children":null,"spread":false},{"title":".classpath <span style='color:#111;'> 301B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]