Examples of multi-state training in java, using run-time polymorphism as an example to explain.

Polymorphyism
.............\.classpath
.............\.project
.............\.settings
.............\.........\org.eclipse.jdt.core.prefs
.............\bin
.............\...\com
.............\...\...\technicolor
.............\...\...\...........\test
.............\...\...\...........\....\Actor.class
.............\...\...\...........\....\car.class
.............\...\...\...........\....\Circle.class
.............\...\...\...........\....\Driver.class
.............\...\...\...........\....\HappyActor.class
.............\...\...\...........\....\plane.class
.............\...\...\...........\....\SadActor.class
.............\...\...\...........\....\Shape.class
.............\...\...\...........\....\Shapes.class
.............\...\...\...........\....\Square.class
.............\...\...\...........\....\Stage.class
.............\...\...\...........\....\Tools.class
.............\...\...\...........\....\Triangle.class
.............\src
.............\...\com
.............\...\...\technicolor
.............\...\...\...........\test
.............\...\...\...........\....\Actor.java
.............\...\...\...........\....\car.java
.............\...\...\...........\....\Circle.java
.............\...\...\...........\....\Driver.java
.............\...\...\...........\....\HappyActor.java
.............\...\...\...........\....\plane.java
.............\...\...\...........\....\SadActor.java
.............\...\...\...........\....\Shape.java
.............\...\...\...........\....\Shapes.java
.............\...\...\...........\....\Square.java
.............\...\...\...........\....\Stage.java
.............\...\...\...........\....\Tools.java
.............\...\...\...........\....\Triangle.java

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