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. (

1886

Can list be null in java?

1053

What are the pillars of java?

939

Why is multithreading important?

964

How many types of equations are there?

1032

Why synchronization is important?

1040

Why declare Main() inside the class in java ?

1084

When to use runnable interface vs thread class in java?

996

What is split return?

1023

Explain oops concepts in detail?

1040

What is an example of declaration?

1017

Can you explain the final method modifier?

1029

What is use of valueof () in java?

1069

How use .contains in java?

1191

Give few examples of final classes defined in Java API?

1220