What is hashmap in java?

0 Answers  

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How do you know if a value is nan?

0 Answers  

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we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

0 Answers  

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What is immutable class in java?

0 Answers  

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What is set in java?

0 Answers  

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explain about jre and jvm

2 Answers  

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Is jdk required on each machine to run a java program?

0 Answers  

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What is mean by exception?

0 Answers  

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Explain methods specific to list interface?

0 Answers  

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What is hashing principle in java?

0 Answers  

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how to print output with out using sop statements

5 Answers   UHG,

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Difference between String and StringBuffer.

3 Answers   GE, IBM,

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