what are the diffrences between interface and abstract class?

4 Answers  

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What is int argc char * argv?

0 Answers  

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when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..

1 Answers   Ness Technologies,

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What is the primitive type short?

0 Answers  

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If a class is declared without any access modifiers, where can the class be accessed?

0 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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What do you mean by ordered and sorted in collections in java?

0 Answers  

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what is finalmethod & final variable with example?

6 Answers   HP,

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What is the purpose of using bufferedinputstream and bufferedoutputstream classes?

0 Answers  

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What is treeset in java collection?

0 Answers  

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33. try { 34. // some code here 35. } catch (NullPointerException e1) { 36. System.out.print(”a”); 37. } catch (RuntimeException e2) { 38. System.out.print(”b”); 39. } finally { 40. System.out.print(”c”); 41. } What is the result if a NullPointerException occurs on line 34? 1 c 2 a 3 ab 4 ac

5 Answers  

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What is a container in a gui?

0 Answers  

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