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While this statement is true, arithmetic operations in the Java platform require just as much caution their as do the analogous operations in C and C++, because integer operations in Java can still result in overflow. Java does not provide any indication of overflow conditions and silently wraps. While integer overflows in vulnerable C and C++ programs can result in the execution of arbitrary code; in Java, wrapped values typically result in incorrect computations and unanticipated outcomes.

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public int magnitude(int i) {
  return Math.abs(i);
}

If When Integer.MIN_VALUE (–2,147,483,648) is passed to Math.abs(), the result is Integer.MIN_VALUE, not rather than the expected -Integer.MIN_VALUE, because -Integer.MIN_VALUE is not representable cannot be represented as an int.

Compliant Solution (Math.abs())

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