How hashmap works in java?


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More Core Java Interview Questions

How do you clear an arraylist in java?

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What are the types of inner classes (non-static nested class) used in java?

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Explain yield() method in thread class ?

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How to reverse a string in java?

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What are the performance implications of interfaces over abstract classes?

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What is == mean?

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Can we clone singleton class in java?

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What is the synchronized method modifier?

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Why chararray() is preferred over string to store the password?

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What value is a variable of the string type automatically initialized?

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Why string is not thread safe?

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worst case complexities of Quick sort and Merge sort.

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