area&cir
........\.classpath
........\.project
........\.settings
........\.........\org.eclipse.jdt.core.prefs
........\bin
........\...\mei.class
........\...\MyCircle$CustomPanel.class
........\...\MyCircle.class
........\...\MyEllipse$CustomPanel.class
........\...\MyEllipse.class
........\...\MyRectangle$CustomPanel.class
........\...\MyRectangle.class
........\...\MyShape$CustomPanel.class
........\...\MyShape.class
........\...\MyTriangle$CustomPanel.class
........\...\MyTriangle.class
........\src
........\...\mei.java
........\...\MyCircle.java
........\...\MyEllipse.java
........\...\MyRectangle.java
........\...\MyShape.java
........\...\MyTriangle.java