Can we sort hashmap in java?
How do you invoke a method?
Given a singly linked list, determine whether it contains a loop or not without using temporary space?
what is the difference between object and class
Explain the difference between arraylist and linkedlist in java?
How to avoid memory leak in java?
What is literal example?
Is java supports multiple inheritance? explain?
What is a byte array?
How to make object serializable in java?
What are the observer and observable classes?
How do you get the length of a string in java?
Is array passed by reference in java?