Java Array Swap swap(T[] arr, int i, int j)

Description

Swap values in array

License

Open Source License

Parameter

Parameter	Description
arr	array
i	index i
j	index j

Declaration

private static <T> void swap(T[] arr, int i, int j) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**//from   ww  w. j a v  a 2 s  .co  m
     * Swap values in array
     *
     * @param arr array
     * @param i   index i
     * @param j   index j
     */
    private static <T> void swap(T[] arr, int i, int j) {
        T t = arr[i];
        arr[i] = arr[j];
        arr[j] = t;
    }

    /**
     * swap ints at given positions in array
     *
     * @param arr array
     * @param i   position
     * @param j   position
     */
    public static void swap(int[] arr, int i, int j) {
        arr[i] ^= arr[j];
        arr[j] ^= arr[i];
        arr[i] ^= arr[j];
    }
}

Related

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9. swap(T[] array, int first_idx, int last_idx)