This week's book giveaway is in the OCAJP forum. We're giving away four copies of Programmer's Guide to Java SE 8 Oracle Certified Associate (OCA) and have Khalid A Mughal & Rolf W Rasmussen 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.