What is nullpointerexception in java?

0 Answers  

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can we have virtual functions in java?

11 Answers   Wipro,

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what is the difference between @include page and @include file

2 Answers  

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What is the Set interface?

2 Answers  

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whays is mean by inner class?

4 Answers   HCL, IBM, TCS,

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What will be the output of the program? public class Test { public static void main(String args[]) { ArrayList<String> list = new ArrayList<String>(); list.add("2"); list.add("3"); list.add("4"); list.add("5"); System.out.println("size :"+list.size()); for(int i=0;i<list.size();i++) { list.remove(i); } System.out.println("size after:"+list.size()); } }

5 Answers   Rolta,

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What is a string token?

0 Answers  

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what is meant by Garbage collection?

0 Answers   Cap Gemini,

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How do you define a singleton class?

0 Answers  

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What is an abstract class?

8 Answers   DBS, Wipro,

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Tell me are there implementations for sorting and searching in the java libarary?

0 Answers  

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Why operator overloading is not in Java?

0 Answers  

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