Which is the Best Java Web Framework ?

Java - What are the difference between composition and inheritance in Java ?

Composition - has-a relationship between classes.
Inheritance - is-a relationship between classes.

Composition - Composing object holds a reference to composing classes and hence relationship is loosely bound. 
Inheritance - Derived object carries the base class definition in itself and hence its tightly bound.

Composition - Used in Dependency Injection
Inheritance - Used in Runtime Polymorphism

Composition - Single class objects can be composed within multiple classes.
Inheritance - Single class can only inherit 1 Class.

Composition - Its the relationship between objects.
Inheritance - Its the relationship between classes.



Subscribe to Java News and Posts. Get latest updates and posts on Java from Buggybread.com
Enter your email address:
Delivered by FeedBurner
comments powered by Disqus




×

Try our new Java Interview Questions Search Tool.

There are more than 1000 questions with practice tests.

It's updated daily and It's Awesome.


×

Try our new Java Practice Test tool.

There are more than 200 questions and expanding quickly. It's updated daily and It's Awesome.