Package com.treasure.hunt.utils

Class ListUtils

  • public class ListUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ListUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <T> boolean allMatch​(T[] list, java.util.function.Predicate<T> predicate)  
      static <T> boolean anyMatch​(T[] list, java.util.function.Predicate<T> predicate)  
      static <T,​R>
      java.util.stream.Stream<R>      		 consecutive​(java.util.List<T> list, java.util.function.BiFunction<T,​T,​R> mapper)  
      static <T> java.util.stream.Stream<T> filterStream​(java.util.stream.Stream<T> input, java.util.function.Function<java.util.stream.Stream<T>,​java.util.stream.Stream<T>>... filters)
      Apply some stream filters to a stream.
      static <T> boolean noneMatch​(T[] list, java.util.function.Predicate<T> predicate)  
      static double standardDeviation​(java.util.List<java.lang.Number> table)  
      static <T> java.util.List<java.util.List<T>> transpose​(java.util.List<java.util.List<T>> table)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ListUtils

        public ListUtils()

    • Method Detail

      • consecutive

        public static <T,​R> java.util.stream.Stream<R> consecutive​(java.util.List<T> list,
                                                                 java.util.function.BiFunction<T,​T,​R> mapper)

      • filterStream

        @SafeVarargs
public static <T> java.util.stream.Stream<T> filterStream​(java.util.stream.Stream<T> input,
                                                          java.util.function.Function<java.util.stream.Stream<T>,​java.util.stream.Stream<T>>... filters)
        Apply some stream filters to a stream.
        Type Parameters:
        T -
        Parameters:
        input - stream to be filtered
        filters - multiple filters to be applied
        Returns:
        filtered input

      • transpose

        public static <T> java.util.List<java.util.List<T>> transpose​(java.util.List<java.util.List<T>> table)

      • anyMatch

        public static <T> boolean anyMatch​(T[] list,
                                   java.util.function.Predicate<T> predicate)

      • allMatch

        public static <T> boolean allMatch​(T[] list,
                                   java.util.function.Predicate<T> predicate)

      • noneMatch

        public static <T> boolean noneMatch​(T[] list,
                                    java.util.function.Predicate<T> predicate)

      • standardDeviation

        public static double standardDeviation​(java.util.List<java.lang.Number> table)