public class 冒泡排序1 {public static void main(String[]args) {int [] arr= {7,3,4,1,6};System.out.print("冒泡排序前："); printArray(arr);bubbleSort(arr);System.out.print("冒泡排序后：");printArray(arr);}public static void printArray(int []arr) {for(int i=0;i<arr.length;i++) {System.out.print(arr[i]+" ");}System.out.print("\n");}public static void bubbleSort(int []arr) {for(int i=0;i<arr.length-1;i++) {for(int j=0;j<arr.length-i-1;j++) {if(arr[j]>arr[j+1]) {int temp=arr[j];arr[j]=arr[j+1];arr[j+1]=temp;}}System.out.print("第"+(i+1)+"轮排序后:");printArray(arr);}} }