Package open.java.toolkit.arrays

Class ArrayHelper

  • public class ArrayHelper
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ArrayHelper()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static int indexOf​(java.lang.Object[] input, java.lang.Object element)
      Finds the index of an element in an array.
      static boolean isEmpty​(java.lang.Object[] input)
      Checks if an array is empty or not.
      static boolean isEmpty​(java.util.List<?> input)
      Checks if a list is empty or not.
      static java.util.ArrayList<java.lang.String> removeDuplicateElements​(java.util.List<java.lang.String> input)
      Removes duplicate elements from a list.
      static java.util.ArrayList<java.lang.String> toArrayList​(java.lang.String[] input)
      Converts an array to an ArrayList.
      static java.lang.String toString​(java.lang.String[] input)
      Converts a string array to a string.
      static java.lang.String toString​(java.util.List<java.lang.String> input)
      Converts a list to a string.
      static java.lang.String[] toStringArray​(java.lang.Object[] input)
      Converts an array to a string array.
      static java.lang.String[] toStringArray​(java.util.List<java.lang.String> input)
      Converts a list to a string array.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ArrayHelper

        public ArrayHelper()

    • Method Detail

      • removeDuplicateElements

        public static java.util.ArrayList<java.lang.String> removeDuplicateElements​(java.util.List<java.lang.String> input)
        Removes duplicate elements from a list.
        Parameters:
        input - The input list.
        Returns:
        The input list without any duplicate elements.

      • toArrayList

        public static java.util.ArrayList<java.lang.String> toArrayList​(java.lang.String[] input)
        Converts an array to an ArrayList.
        Parameters:
        input - The input array.
        Returns:
        An ArrayList based off the input array.

      • toStringArray

        public static java.lang.String[] toStringArray​(java.lang.Object[] input)
        Converts an array to a string array.
        Parameters:
        input - The input array.
        Returns:
        A string array based off the input array.

      • toStringArray

        public static java.lang.String[] toStringArray​(java.util.List<java.lang.String> input)
        Converts a list to a string array.
        Parameters:
        input - The input list.
        Returns:
        A string array based off the input list.

      • isEmpty

        public static boolean isEmpty​(java.lang.Object[] input)
        Checks if an array is empty or not.
        Parameters:
        input - The input array.
        Returns:
        Whether or not the input array is empty.

      • isEmpty

        public static boolean isEmpty​(java.util.List<?> input)
        Checks if a list is empty or not.
        Parameters:
        input - The input list.
        Returns:
        Whether or not the input array is empty.

      • toString

        public static java.lang.String toString​(java.util.List<java.lang.String> input)
        Converts a list to a string.
        Parameters:
        input - The input list.
        Returns:
        The input list as a string, showing every line with new line breaks.

      • toString

        public static java.lang.String toString​(java.lang.String[] input)
        Converts a string array to a string.
        Parameters:
        input - The input array.
        Returns:
        The input array as a string, showing every line with new line breaks.

      • indexOf

        public static int indexOf​(java.lang.Object[] input,
                          java.lang.Object element)
        Finds the index of an element in an array.
        Parameters:
        input - The input array.
        element - The element to look for in the array.
        Returns:
        The index of the element in the array.