All posts by Raj

Founder of javainsimpleway.com I love Java and open source technologies and very much passionate about software development. I like to share my knowledge with others especially on technology :) I have given all the examples as simple as possible to understand for the beginners. All the code posted on my blog is developed,compiled and tested in my development environment. If you find any mistakes or bugs, Please drop an email to kb.knowledge.sharing@gmail.com Connect with me on Facebook for more updates

Interfaces in Java

Interfaces It is one of the ways to achieve abstraction in Java. It will have only method declaration(abstract methods) and constant attributes in it. It cannot be instantiated like how we can’t instantiate abstract class. They are used to achieve multiple inheritance and polymorphism. Java interface Example public interface Hello{ String str = ”hello”; void […]

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Inheritance in Interface

interface A{ void show(); }   interface B extends A{ void print(); } interface A{ void show(); } interface B extends A{ void print(); } Now interface ‘B’ is inheriting interface ‘A’. Now class implementing ‘B’ should implement both show() and print() methods. Ground rule : Class can implement more than one interfaces. Interface can […]

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