What is boolean used for?


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More Core Java Interview Questions

Define canvas?

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How many types of memory areas are allocated by jvm?

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how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?

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Can we change the scope of the overridden method in the subclass?

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What are Inner classes?

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difference between byte stream class and character stream class?

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What are the advantages and disadvantages of object cloning?

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What is the difference between double and float variables in java?

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What is the difference between public, private, protected, and friend access?

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Can a static class implement an interface?

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Difference between ?System.out.println? and ?System.error.println??

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What is regex java?

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