What is the purpose of static keyword in java?
write java code to print second max number in the array
What is singleton class and how can we make a class singleton?
What is protected access modifier?
how would you implement a thread pool? : Java thread
What is the use of private static?
What are structs in java?
What is the difference between iterator and enumeration ?
Is nullpointerexception checked or unchecked?
When we serialize an object does the serialization mechanism saves its references too?
Can we declare a class as abstract without having any abstract method?
Lowest Common ancestor in a Binary Search Tree and Binary Tree.
What is the use of runnable interface?