Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

1 Answers   Rolta, TCS,

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What is difference between “==” and equals()?

1 Answers   IBM,

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Can we override compareto method?

0 Answers  

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What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?

0 Answers  

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List implementations of list interface?

0 Answers  

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What is reflexive association?

1 Answers   Infogain,

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I have an HashMap object, which has with key and value pair. It has 10 keys and values in that object. Now the question is I want insert new key and value in middle or any where in that list but not at the end or at the top. Is it possible or not. If yes how can we achieve this one?

2 Answers   Huawei,

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when there is a need of jvm then how we can say that java is a platform independent language?

3 Answers  

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Name four container classes.

0 Answers  

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Is int primitive data type?

0 Answers  

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What is constructor and virtual function?

5 Answers  

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How do you identify independent and dependent variables?

0 Answers  

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