定义: Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.(它提供一种方法访问一个容器对象中各个元素,而又不需暴露该 对象的内部细节。) 迭代器模式通…
报错如图 What went wrong: Execution failed for task ‘:app:lintVitalAnalyzeRelease’. Could not resolve all files for configuration ‘:app:detachedConfiguration1’. Could not download groovy-3.0.22.jar (org.codehaus.groovy:groovy:3.0.22) Could not get reso…