SEI CERT Oracle Coding Standard for Java

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Code Block
bgColor#ccccff
public int do_operation(int a, int b) throws ArithmeticException
{
       longint temp = (long)a+(long)b;
       if(a>0 && b>0 && (a >Integer.MAX_VALUE - b) || a<0 && b<0 && (a < Integer.MIN_VALUE -b))
              throw ArithmeticException;
       else
             temp = a + b;//Value within range can perform the addition
      //Do stuff return
       (int)temp;
}


 Another compliant approach would be to use the BigInteger class in this example and in the examples of the other operations using a wrapper for test of the overflow:

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