java写选择排序代码
时间: 2023-03-14 09:27:27 浏览: 40
public static void selectionSort(int[] arr) {
for (int i = 0; i < arr.length - 1; i++) {
int minIndex = i;
for (int j = i + 1; j < arr.length; j++) {
if (arr[j] < arr[minIndex]) {
minIndex = j;
}
}
int temp = arr[i];
arr[i] = arr[minIndex];
arr[minIndex] = temp;
}
}public static void main(String[] args) {
int[] arr = {3, 4, 1, 5, 9, 8, 2, 6};
selectionSort(arr);
for (int i = 0; i < arr.length; i++) {
System.out.print(arr[i] + " ");
}
System.out.println();
}答:public static void selectionSort(int[] arr) {
for (int i = 0; i < arr.length - 1; i++) {
int minIndex = i;
for (int j = i + 1; j < arr.length; j++) {
if (arr[j] < arr[minIndex]) {
minIndex = j;
}
}
int temp = arr[i];
arr[i] = arr[minIndex];
arr[minIndex] = temp;
}
}public static void main(String[] args) {
int[] arr = {3, 4, 1, 5, 9, 8, 2, 6};
selectionSort(arr);
for (int i = 0; i < arr.length; i++) {
System.out.print(arr[i] + " ");
}
System.out.println();
}