selection sort - java

    public static void selectionSort(int[] arr) {
        for (int i = 0; i < arr.length - 1; ++i) {
            int minIdx = i;
            for (int j = i + 1; j < arr.length; ++j) {
                if (arr[minIdx] > arr[j]) {
                    minIdx = j;
                }
            }
            int t = arr[minIdx];
            arr[minIdx] = arr[i];
            arr[i] = t;
        }
    }