What is immutable data?

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Why is inheritance used in java?

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How can be define MARKER interfce in java

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Can we inherit the constructor in a Class?please give one example.

9 Answers   iGate,

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What is actual difference between statement,prepared statement and callable statement and when we have to use it? pls post a answer with code and clear explanation. thanks

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When should I use abstract classes and when should I use interfaces?

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Is arraylist sorted in java?

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List some features of the abstract class.

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What is the requirement of thread in java?

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What is Connection pooling? Explain Pros and Cons?

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How do you use nextline in java?

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Name some OOPS Concepts in Java?

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