error-prone 用来抓取 Java 编译时的错误。通常使用编译器只能做静态类型的检查。但使用此工具,能够进行编译器的类型分析,能够检测并抓取到编译过程中的 Bug,能够大大的节约开发者的时间。特点:hooks into your standard build, so all developers run it without thinkingtells you about mistakes immediately after they’re madeproduces suggested fixes, allowing you to build tooling on it