Explain listiterator and methods in listiterator?

1029

What are different types of references?

992

What is java lang object?

996

What is an iterator interface in java programming?

978

How do you check if a number is a perfect square?

1007

What about static nested classes in java?

1159

What is the use of optional ?

1050

How thread scheduler schedule the task?

1071

What is the difference between == and === javascript?

1200

When should you use arraylist and when should you use linkedlist?

941

What are the two ways to create a thread?

1023

What is a condition in programming?

1024

What is int short for?

1064

4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (

1885

What is collection class in java? List down its methods and interfaces.

979