difference between String a; and String a=new String();? y do v need to assign memory to the variable?

2 Answers  

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What about features of local inner class?

0 Answers  

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Is there any sort function in java?

0 Answers  

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how to handle exceptions in ejb?

1 Answers   HCL,

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can any one tell me when do u go for inheritance and polymorphism

3 Answers  

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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 Answers   iFlex, Sapient,

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Differentiate storage classes on the basis of their scope?

0 Answers   Fidelity,

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What is a boolean used for?

0 Answers  

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what is meant by encapsulation?

0 Answers   Aspire,

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What is == in java?

0 Answers  

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What a static class can contains?

0 Answers  

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What is a method in coding?

0 Answers  

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