why Interface used?

0 Answers   HCL,

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What do you understand by weak reference?

0 Answers  

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byte a=5; byte b=5; byte c=a+b; System.out.println(c); whats the o/p?

7 Answers   NIIT, Wipro,

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why are wait(), notify() and notifyall() methods defined in the object class? : Java thread

0 Answers  

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What are different data structures in java?

0 Answers  

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What is the use of generics? When was it added to the Java development Kit?

0 Answers   Impetus,

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what is the use of Clonable,and serializable interface?

1 Answers  

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What about method local inner classes or local inner classes in java?

0 Answers  

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there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

4 Answers   CMC,

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How do you create a reference in java?

0 Answers  

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Difference between == and .equals() ?

0 Answers  

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What is the purpose of finalization?

4 Answers  

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