what is hashmap& hashtable with example?

1 Answers   CTS,

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give an example for encapsulation?

0 Answers   Aspire,

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Is Constructor possible in abstract class in java ?

0 Answers   HCL,

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How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.

2 Answers  

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Wha is the output from system.out.println(“hello”+null); ?

0 Answers  

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When do we use synchronized methods in java?

0 Answers  

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system.out.println(1 + 3);

8 Answers  

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What is consumer in java?

0 Answers  

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whays is mean by inner class?

4 Answers   HCL, IBM, TCS,

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When do you call copy constructor?

0 Answers   Tavant Technologies, Virtusa,

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How to declare objects of a class ?

0 Answers   Akamai Technologies,

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What is the superclass of exception?

3 Answers  

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