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The method AbsAdd() computes and returns the sum of the absolute value of parameters x and y. It lacks parameter validation, in violation of MET00-J. Validate method parametersarguments. Consequently, it can produce incorrect results either because of integer overflow or when either or both of its arguments are Math.abs(Integer.MIN_VALUE).

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[[Daconta 2003

AA. Bibliography#Daconta 03]]

Item 7: My Assertions Are Not Gratuitous

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[[ESA 2005

AA. Bibliography#ESA 05]]

Rule 68: Explicitly check method parameters for validity, and throw an adequate exception in case they are not valid. Do not use the assert statement for this purpose

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[[JLS 2005

AA. Bibliography#JLS 05]]

§14.10 The assert Statement

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MET00-J. Validate method parametersImage Added      05. Methods (MET)