Write a factorial program using recursion in java?
What are synchronized methods and synchronized statements in java programming?
Can i have abstract class with no abstract methods?
What data type is string java?
what is mean by method signature?
What is the difference between abstract class and interface1? What is an interface?
How we can make copy of a java object?
Explain purpose of sleep() method in java?
How is a structure different from array ?
How do you add spaces in java?
I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
In which JDK version event-delegation model is introduced?
what is the difference between String and StringBuffer classes?