Question 1 : What is immutable in Java? Make below Employee class immutable.
Question 2 : How HashMap works?
Question 3 : How can you improve hashCode() of your class?
Question 4 : Write the code for such that -
a) print all the elements in tree which are in some nth level in left to right order.
b) print all the elements in tree which are in some nth level in reverse order
Question 3 : How can you improve hashCode() of your class?
Question 4 : Write the code for such that -
a) print all the elements in tree which are in some nth level in left to right order.
b) print all the elements in tree which are in some nth level in reverse order
Question 5 : How you will design tinyURL application?
Question 6 : What best practises you will follow while starting new project?
Question 6 : What best practises you will follow while starting new project?