How big is a pointer?
What is java dot?
What is boolean used for?
How many ways can an argument be passed to a subroutine and explain them?
what is optional in java 8?
What is meant by data hiding/encapsulation?
How does finally block differ from finalize() method?
How does a for loop work?
Make a data structure and implement an algorithm to print all the files in a directory. (The root directory can have sub-directories too.)
Explain the importance of thread scheduler in java?
Why does java not support pointers?
Are functions objects in java?
How finally used under exception handling?
Can we execute a program without main?
Explain 5 io best practices?