有一个?question comparing PMD and CheckStyle。 然而,我看不到有关PMD和FindBugs之间差异/相似之处的细微。 我认为,一个关键区别是,PMD在源代码上工作,而FindBugs则在编集的密码档案上工作。 但是,在能力方面,它是否是选择还是相互补充?
两者都使用。 我认为两者相辅相成。
如你所说,PMD在源代码上开展工作,因此发现的问题有:违反命名公约、缺乏可治愈的薄膜、错误检查、长期参数清单、不必要建筑商、开关等。 PMD还告诉你,我觉得非常有帮助的贵国法典的Cyclomatic diversity(FindBugs确实没有告诉你有关气旋的复杂性)。
FindBugs。 FindBugs 发现,PMD 有一些问题:等同方法在子类中失败,布林法可能退回无效,参照Boolelean的价值观,不可能投放,有32条轨道上的转移,其数额不在0-31之间,这种收集本身含有平等的方法,总是真实的,是无限的 lo。
通常,其中每一个国家都发现不同的问题。 两者都使用。 这些工具向我教授了许多如何撰写好 Java法。
PMD的最佳特征是XPath Rules,与一名规则设计师联手,使你能够方便地从代码样本(类似于RegEx和XPath GUI建筑商)中制定新规则。 FindBugs从箱子中更强大,但制定项目具体规则和模式非常重要。
例如,我遇到一个表现问题,涉及2个 lo,导致奥(n^2)运行时间,很容易避免。 我利用PMD建造了ad-hoc query,以审查其他为休息而设的例子——/ForStatement/Statement//ForStatement。 这又指出了这一问题的两例。 这不是一条通用规则。
PMD
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