What do you mean by Hash Map and Hash Table?

0 Answers   Atos Origin,

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Why are parameters used in functions?

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How the elements are organized in GridLayout?

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What is jit compiler 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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How is abstraction implemented in java ?

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How big is a boolean?

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Difference between == and .equals() ?

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Why scanner is used in java?

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difference throws and throw in java

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Can we use this () and super () in a method?

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Explain some best practices you would apply while using collection in java?

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