Write a class which checks whether a given number is prime or not. Write another class to implement the behavior of previous class and print the series of twin prime number upto a given range.

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Can optional be null?

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What is java persistence api used for?

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Which version of jdk is required for netbeans 8.0 2?

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how can we create the ui using netbeans,having the code?

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What is savepoint in java?

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What is the means of java?

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Who developed rxjava?

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Is jdk a compiler?

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What are the new features about Java se 8 ?

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What is a container in java?

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What type of parameter passing does java support?

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