Java Object

IS-A means this object is that object’s type. Now see, how inheritance is achieved by extends keyword

Java Code:

public class Animal{
}

public class Mammal extends Animal{
}

public class Reptile extends Animal{
}

public class Dog extends Mammal{
}

Following are true for the Object Oriented terms, based at above example:

• Mammal class’s superclass is animal.
• Reptile class’s superclass is

...

Tags: is-a relationship

Categories

Inheritence