Java Interview Questions and Answers, MOST ASKED JAVA INTERVIEW QUESTION AND ANSWER SERIES.
Course Description
This course is for beginners or intermediate who are appearing for interviews and want to improve their Java concepts.
I have covered all Java Foundation, OOPS based and Collection Framework Questions and Answers in a very easy manner.
Preparing for Java interviews is hard. You will need to get a good understanding of the new features and revise the concepts used in your preparation. This course will give you practical knowledge covering Java Interview Questions and Answers on various topics listed below.
common core java interview questions
why is java important
what are constructors
What is System.out.println?
Tell us about main()
is java platform independent or dependent
equals method vs == operator
ultimately final and final form
what are generics
oops what is it
What is the difference between interface and class
What is the difference between abstract class and interface?
What is Generic Class, Concrete Class, Singleton Class?
what is a constructor
What is data abstraction and data encapsulation?
What is inheritance and types of inheritance
what is final class
Collection & Collections,
Difference between List, Set, Map, Queue and Deque
What are the different collection types?
ArrayList vs LinkList
vector vs arraylist
Hashmap vs LinkedHashmap
failfast vs failsafe iterator
How to create a generic class