Shulou(Shulou.com)06/02 Report--

This article mainly explains "how to solve sonar common problems". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to solve sonar common problems.

1.Equality tests should not be made with floating point value

Code example: if (result = = num) / / result and num are both double. There will be a loss of accuracy in the comparison.

Solution: BigDecimal data1 = new BigDecimal (totalArea)

BigDecimal data2 = new BigDecimal (S1)

Int num = data1.compareTo (data2); / / num = 0 equal > 0 the former is greater than the latter, and vice versa

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