public class BubbleSort {
public static void bubbleSort(int[] arr) {
int n = arr.length;
for (int i = 0; i < n - 1; i++) {
for (int j = 0; j < n - i - 1; j++) {
if (arr[j] > arr[j + 1]) {
// 交换arr[j]和arr[j+1]的值
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
}
public static void main(String[] args) {
int[] arr = {64, 34, 25, 12, 22, 11, 90};
System.out.println("原始数组:");
for (int i : arr) {
System.out.print(i + " ");
}
bubbleSort(arr);
System.out.println("\n排序后的数组:");
for (int i : arr) {
System.out.print(i + " ");
}
}
}