How do you check whether the list is empty or not in java?
Is it possible to create Userdefined Unchecked Exception also?If Yes, give an example?
What's the difference between an abstract class and interface in java?
we know that every java prog must follows OOPS Principles. Anybody can answer, HOW THE FOLLOWING PROGRAM FOLLOWS OOPS CONCEPTS i.e, Inheritance,Polymarphism,Encapsulation? class a{ public static void main(String args[]){ System.out.println("Hello World"); } }
What is class??
In which language JVM (Java Virtual Machine) is implemented
What is nested top-level class?
How would you dynamically allocate memory to an array?
string is immutable? right every one knows that, my question is it advantage or disadvantage making string immutable?
What is the static block?
What are the differences between heap and stack memory?
What is a methodologist?
Why is serialization required?