Difference between current previous versions of Java?

0 Answers   Atos Origin,

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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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Why java is call by value?

0 Answers  

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Is it compulsory to have atleast one abstract method in abstract class?

10 Answers  

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What is the purpose of lambda expressions?

0 Answers  

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What is Remote Interface ?

6 Answers   CTS,

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Differences between jdk 1.4 and 1.5

6 Answers   SoftSol, TCS, Wipro,

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What is difference overloading and overriding?

0 Answers   Cyient,

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what is the need to set path in java? how many ways to set path in java? Explain breif?

5 Answers  

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What is an example of a constant variable?

0 Answers  

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Explain the difference between call by refrence and call by value?

0 Answers  

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What are Advatages of Overloading and Overridding.

8 Answers   TCS, Wipro,

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