explain about casting of objects?

5 Answers  

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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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Can singleton class be serialized?

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How many functional interfaces does java 8 have?

0 Answers  

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What is printwriter in java?

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Is there any case when finally will not be executed?

0 Answers  

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write the hierarchy of component class?

1 Answers  

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What is lazy programming?

0 Answers  

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How do you declare a string variable?

0 Answers  

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How will you get the platform dependent values like line separator, path separator, etc., ?

0 Answers  

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String is an immutable object. Then how can the following code be justified. String s1 = ?ABC?; String s1 = s1+?XYZ?; s.o.p(s1); The output is ABCXYZ, which is the value of s1 ?

6 Answers   Flextronics, Keane India Ltd,

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What are singleton services?

0 Answers  

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