类 StreamUtils

java.lang.Object
com.walker.infrastructure.utils.StreamUtils

public class StreamUtils extends Object
  • 构造器详细资料

    • StreamUtils

      public StreamUtils()
  • 方法详细资料

    • distinctByKey

      public static <T> Predicate<T> distinctByKey(Function<? super T,?> keyExtractor)
      按某个指定字段去重
      参数:
      keyExtractor - 需要去重的字段
      返回:
      java.util.function.Predicate