What are java methods?

0 Answers  

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what is interface in java? Explain

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What is parse method?

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What is port number in java?

0 Answers  

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When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?

5 Answers   Ness Technologies,

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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 is io stream in java?

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Which variable is the independent variable?

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What are controls and their different types in awt?

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What is boolean flag in java?

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How can we create a object of a class without using new operator.

1 Answers   Infosys, Nokia,

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Why sleep()is in Thread and wait() in Object class? Why can't I have both in one class or vice versa?

1 Answers  

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