Can a constructor be private and how are this() and super() method used with constructor?
Explain when we should make an instance variable private.
How is java hashmap implemented?
What is the purpose of file class?
Is int a class in java?
Can we override protected method in java?
Why singleton class is used in java?
What is ascii format?
What is the difference between public, private, protected, and friend access?
Why parameters should be passed by reference?
What is the functionability stubs and skeletons?
How thread scheduler schedule the task?
Can we have try without catch block?
What is the name of the java compiler?
Why is the main method declared static?