Class ObjectOrientedBasicsExamples

java.lang.Object

net.jrodolfo.java_evolution.java01.ObjectOrientedBasicsExamples

public class ObjectOrientedBasicsExamples
extends Object

Refreshes early Java object-oriented basics: classes, objects, inheritance, overriding, and encapsulation.

Constructor Summary

Constructors

Constructor	Description
ObjectOrientedBasicsExamples()

Method Summary

Modifier and Type	Method	Description
String	dispatchThroughSuperclass()	Uses polymorphism through a superclass reference.
int	rectangleArea()	Uses encapsulated state exposed through behavior.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ObjectOrientedBasicsExamples

public ObjectOrientedBasicsExamples()

Method Details

dispatchThroughSuperclass

public String dispatchThroughSuperclass()

Uses polymorphism through a superclass reference.

Returns:

the subclass implementation selected at runtime

rectangleArea

public int rectangleArea()

Uses encapsulated state exposed through behavior.

Returns:

calculated area