What are encapsulation, inheritance and polymorphism?

0 Answers  

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What is the concatenation operator in java?

0 Answers   Aspire, Infogain,

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What does system out println () do?

0 Answers  

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Why can't we make a class private in java?

0 Answers  

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why use interface? if interface declear a method implement in class. why direct implement method in class

1 Answers   HCL,

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What is the difference between serialization and deserialization?

3 Answers   ABC,

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What is a control variable example?

0 Answers  

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What is the type of lambda expression?

0 Answers  

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How to make a class immutable?

15 Answers   Bosch, TSYS,

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Is null a string in java?

0 Answers  

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What is the flag in java?

0 Answers  

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What is dynamic dispatch in java?

4 Answers  

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