What are nested classes in java?

0 Answers  

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Definition for connection pooling?

3 Answers  

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What is hashtable and explain features of hashtable?

0 Answers  

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I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

1 Answers   Cognizant,

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Can we override tostring method in java?

0 Answers  

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To obtain design information about an object, which class in used?

1 Answers  

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When should I use singleton pattern?

0 Answers  

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What do you know about the garbage collector in java?

0 Answers   TCS,

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What is collection sort in java?

0 Answers  

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Describe the term diamond problem.

0 Answers  

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What comes to mind when someone mentions a shallow copy in java?

0 Answers  

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difference between vectorlist and hash

1 Answers   TCS,

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