Under what circumstances an object reference be cast to an interface reference?

3 Answers  

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Why does java have two ways to create child threads?

0 Answers  

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Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.

2 Answers  

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What java is used for?

0 Answers  

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Is cout buffered?

0 Answers  

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please send me hr interview questions in it industry

0 Answers  

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If circular link of two objects, then will it be garbage collected ?

3 Answers   TCS,

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Why are arrays useful in java?

0 Answers  

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How to find the largest value from the given array.

0 Answers  

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1) Find the Merge point of two linked lists. 2) Swap two bits of integer. 3) Reverse individual words of the sentence. 4) Reverse string without using temp string.

2 Answers   HCL,

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what is generics in jdk1.5?

2 Answers   Bally Technologies,

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What is a J2EE component? List out all the component?

2 Answers   Adobe,

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