Functionality of JVM?

7 Answers   Infosys,

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What is pre increment and post increment in java?

0 Answers  

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What is application system?

0 Answers  

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What is the difference between the direct buffer and non-direct buffer in java?

0 Answers  

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what is meant by string pooling?

12 Answers   Oracle, Polaris, Tribal Fusion, Wipro,

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Where is the singleton class used?

0 Answers   Cap Gemini,

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How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?

3 Answers   IBM,

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What method is used to compare two strings ?

4 Answers  

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Are arrays passed by reference in java?

0 Answers  

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What does string [] args mean?

0 Answers  

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Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?

2 Answers  

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I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?

8 Answers   KPIT,

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