Java之冒泡排序

//冒泡排序
public static int bubbleSort(int[] arr) {
int temp;
System.out.print("冒泡排序结果：");
for (int i=0; i<arr.length-1; i++) {
for (int j=0; j<arr.length-1-i; j++) {
if (arr[j] > arr[j+1]) {
temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
for (int i : arr) {
System.out.print(i + " ");
}
return -1;
}