There are 100 keys and values in HashMap.how to get the keys and values?

1 Answers   IBS,

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Can list have duplicates in java?

0 Answers  

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wat is class level lock and object level lock

3 Answers   HCL, Persistent,

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what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent

0 Answers  

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What is flag in java?

0 Answers  

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what is the use of StringBuffer?

2 Answers   Accenture,

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what is the constructor and how many types of constructors are used in java?

0 Answers  

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Can a class be a super class and a sub-class at the same time? Give example.

1 Answers  

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What is the file extension for java?

0 Answers  

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how you will prevent method overriding?

6 Answers   HCL,

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What is api data?

0 Answers  

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What are the four corner stones of oop?

0 Answers  

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