Can I have constructor in Interface?

2 Answers  

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Differentiate Vector and ArrayList?

6 Answers   Max Telecom, Wipro,

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Can we write method inside a method in java?

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 really hapens when a object is created using new operator? 1.is it allocates memory to all variables and methods in the class with reference to that object?

3 Answers  

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class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?

9 Answers   Infosys, Wipro,

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Can we able to pass objects as an arguments in java?

0 Answers  

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What is the difference between hashmap and hashtable? What is an interface?

0 Answers  

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Is 'null' a keyword?

8 Answers  

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What is the basic difference between string and stringbuffer object?

0 Answers  

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What do u mean by variable?

0 Answers  

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What is a byte array?

0 Answers  

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