This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
I googled what is Abstract class and interface.
I get Abstract class cannot be instantiated , which contains abstract and concreate methods.
If you want to implement some common or default behaviours we can use abstract class.
I get difference between abstract class and interface
What is the exact use of Abstract class and interface. when to use which.
I am new to java. though i read so many books i can't understand clearly.