What do you mean by aggregation?
How to overcome the exception object reference not set to an instance of object?
What is n in java?
Is empty string in java?
Where import statement is used in a java program?
What is re-factoring in software?
Write a function to find out longest palindrome in a given string?
What is data type in java?
How is hashset defined in java?
What do you mean by hashing?
What are adapter classes?
How many types of operators are there?
Why java is made?
Why java strings are immutable in nature?
What is the difference between a static and a non-static inner class in java programming?