Learning Selenium Testing Tools - Third Edition

Inheritance

Inheritance enables you to extend the functionality of an existing class.

In inheritance, a superclass or a parent class is the one from which another class inherits attributes and behavior. A subclass or child class is a class that inherits attributes and behavior from a superclass.

Note

Th object class is called as a supermost class. Inheritance is applicable only for nonstatic classes.

A Java program with an inheritance example

The following is an example of inheritance in a Java program:

package MyFirstPackage; class SampleClass1 { void sampleMethod(){ System.out.println("executing sample method"); } } class SampleClass2 extends SampleClass1 { void sampleMethod1(){ System.out.println("executing sample method 2"); } } public class Inhertance ...