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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();
}
}
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