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Since the long type is guaranteed to hold the result of an int addition, we can assign the result can be assigned to a long, and if the result is in the integer range, we can simply downcast to an int.

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The remainder operation is safer in Java than the corresponding modulo operator in C/C++.

• If we take the modulo of Integer.MIN_VALUE with -1 is taken the result is always 0 in Java.

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