程序包 cn.valot.common.data

类 Collections

java.lang.Object
cn.valot.common.data.Collections
public final class Collections extends Object

  • 构造器详细资料

    • Collections

      public Collections()

  • 方法详细资料

    • isEmpty

      public static boolean isEmpty(Collection<?> c)

    • isNull

      public static boolean isNull(Object... objects)
      如果有空值

    • getNotNull

      @SafeVarargs public static <T> T getNotNull(T... arr)

    • getOne

      @Nullable public static <T> T getOne(Collection<T> list, java.util.function.Predicate<T> predicate)

    • getOne

      @Nullable public static <T> T getOne(T[] list, java.util.function.Predicate<T> predicate)