Package io.github.jonestimd.lang

Class Comparables

  • public class Comparables
extends java.lang.Object
    Utility methods for Comparables.

    • Constructor Summary

      Constructors 
      Constructor Description
      Comparables()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static int compareIgnoreCase​(java.util.List<java.lang.String> list1, java.util.List<java.lang.String> list2)
      Compare each element in list1 to the corresponding element in list2 until a difference is found.
      static <T extends java.lang.Comparable<? super T>>
      T      		 min​(T c1, T... others)
      Find the minimum value of a group of items.
      static <T extends java.lang.Comparable<? super T>>
      int      		 nullFirst​(T c1, T c2)
      Compare two possibly null objects.
      static <T extends java.lang.Comparable<? super T>>
      int      		 nullLast​(T c1, T c2)
      Compare two possibly null objects.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • Comparables

        public Comparables()

    • Method Detail

      • min

        @SafeVarargs
public static <T extends java.lang.Comparable<? super T>> T min​(T c1,
                                                                T... others)
        Find the minimum value of a group of items.
        Parameters:
        c1 - the first item
        others - the remaining items
        Returns:
        the minimum item

      • nullFirst

        public static <T extends java.lang.Comparable<? super T>> int nullFirst​(T c1,
                                                                        T c2)
        Compare two possibly null objects. A null is considered "less than" any non-null value.
        Returns:
        the comparison result

      • nullLast

        public static <T extends java.lang.Comparable<? super T>> int nullLast​(T c1,
                                                                       T c2)
        Compare two possibly null objects. A null is considered "greater than" any non-null value.
        Returns:
        the comparison result

      • compareIgnoreCase

        public static int compareIgnoreCase​(java.util.List<java.lang.String> list1,
                                    java.util.List<java.lang.String> list2)
        Compare each element in list1 to the corresponding element in list2 until a difference is found. If one list contains the leading elements of the other then the comparison result is the difference in the list sizes.
        Returns:
        the result of tne first non-zero comparison of the list elements or the comparison of the list sizes