public class SelectionSort { int find_min(int arr[], int start, int end) { int min_idx = start; int minimum = arr[start]; for (int i = start; i < end; i++) { if (arr[i] < minimum) { min_idx = i; minimum = arr[i]; } } return min_idx; } void selection_sort(int arr[], int arr_len) { // Selection Sort on an Array // Pass by reference int start = 0; int min_idx; while (start < arr_len) { min_idx = find_min(arr, start, arr_len); // Swap arr[start] and arr[min_idx] int temp = arr[start]; arr[start] = arr[min_idx]; arr[min_idx] = temp; start++; } } public static void main(String[] args) { int arr[] = {12, 7, 6, 16, 4}; SelectionSort sel_sort = new SelectionSort(); sel_sort.selection_sort(arr, 5); System.out.println("Array after sorting:"); for (int i = 0; i < 5; i++) { System.out.printf(" ", arr[i]); } System.out.println(); } }