when to use abstract class and when to use interface?

16 Answers   Exterro, iGate, IonIdea,

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What is the maximum length of a url?

0 Answers  

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What is the differnence between String Buffer and String builder despite having knowledge that String builder is faster than String Buffer and last one is threadsafe.please tell another important difference.

3 Answers   IBM,

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What is passed by reference and pass by value ?

0 Answers  

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what type of questions asked for barclays technologies pune please send urgent

0 Answers  

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Explain the concept of polymorphism with examples?

6 Answers   Summation Tech,

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How many types of string data types are there?

0 Answers  

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what is the difference b/w PUT and POST method to send data to the server

5 Answers   Mind Tree,

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Can we have multiple public classes in a java source file?

0 Answers  

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What are the six ways to use this keyword?

0 Answers  

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There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?

9 Answers   KPIT,

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What is integer valueof?

0 Answers  

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