Write a program for recursive Traverse?

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Difference between a MenuItem and a CheckboxMenuItem?

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Can we override private constructor in java?

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What do u mean by method and also contructer in java ?

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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?

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What do you mean by multithreaded program?

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What do you understand by synchronization?

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What is file in java?

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What are the differences between wait() and sleep()?

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what is singlton class?where it is use in real time senario.

1 Answers   Wipro,

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Can we use string in switch case in java?

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does java support default argument in Method?

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