In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

4 Answers   Kanbay,

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How to make class immutable

6 Answers  

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What is class??

0 Answers   Tech Mahindra,

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what is the difference between a threads start() and run() methods? : Java thread

0 Answers  

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difference between java ,c#&java,c++

3 Answers  

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What is the purpose of the System class?

0 Answers  

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Why is serialization required?

0 Answers  

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What are concepts of OOPS and how are they implemented in Java?

2 Answers   KPIT,

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How the elements are organized in BorderLayout?

5 Answers  

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Explain about strings in java?

0 Answers  

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why we r not use pointers in corejava?

2 Answers   Samsung,

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Why does java doesnot support multiple inheritance?

5 Answers   TCS,

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