What is the difference between keyword and identifier?

0 Answers  

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List out benefits of object oriented programming language?

0 Answers  

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What is the difference between Checked and Unchecked exception? Give some examples

2 Answers   Ness Technologies,

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Distinguish between a predicate and a function?

0 Answers  

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Difference between the String and StringBuffer classes?

3 Answers  

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What is a key in java?

0 Answers  

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What happens when you invoke a thread’s interrupt method while it is sleeping or waiting?

0 Answers  

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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. (

0 Answers  

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use of wrapper classes?

3 Answers   IBM,

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interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 Answers  

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What are meta-annotations?

0 Answers   Cyient,

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What is a void method java?

0 Answers  

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