java.lang.Object
org.jgrapht.util.ArrayUtil
public class ArrayUtil
extends java.lang.Object
Utility class to simplify handling of arrays.
- Author:
- Hannes Wellmann
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Method Summary
Modifier and Type Method Description static void
reverse(int[] arr, int from, int to)
Reverses the order of the elements in the specified range within the given array.static <V> void
reverse(V[] arr, int from, int to)
Reverses the order of the elements in the specified range within the given array.static <V> void
swap(V[] arr, int i, int j)
Swaps the two elements at the specified indices in the given array.
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Method Details
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reverse
public static final <V> void reverse(V[] arr, int from, int to)Reverses the order of the elements in the specified range within the given array.- Type Parameters:
V
- the type of elements in the array- Parameters:
arr
- the arrayfrom
- the index of the first element (inclusive) inside the range to reverseto
- the index of the last element (inclusive) inside the range to reverse
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reverse
public static final void reverse(int[] arr, int from, int to)Reverses the order of the elements in the specified range within the given array.- Parameters:
arr
- the arrayfrom
- the index of the first element (inclusive) inside the range to reverseto
- the index of the last element (inclusive) inside the range to reverse
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swap
public static final <V> void swap(V[] arr, int i, int j)Swaps the two elements at the specified indices in the given array.- Type Parameters:
V
- the type of elements in the array- Parameters:
arr
- the arrayi
- the index of the first elementj
- the index of the second element
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