public class B {public static void main(String[] args) {// 冒泡排序int[] arr={1,2,34,54,5,3};//从小到大的顺序for (int j = 0; j < arr.length-1; j++) {//得到4个maxfor (int i = 0; i < arr.length-1; i++) {//内循环得到一个maxif (arr[i]>arr[i+1]) {int c=arr[i];arr[i]=arr[i+1];arr[i+1]=c;}}}for (int i = 0; i < arr.length; i++) {System.out.print(arr[i]+" ");}System.out.println();//选择排序/*first* if arr[0]>arr[1];if arr[0]>arr[2];if arr[0]>arr[3];if arr[0]>arr[4];if arr[0]>arr[5];* second * if arr[1]>arr[2];if arr[1]>arr[3];if arr[1]>arr[4];if arr[1]>arr[5];* third* if arr[2]>arr[3];if arr[2]>arr[4];if arr[2]>arr[5];* fourth* if arr[3]>arr[4];if arr[3]>arr[5];* fivth* if arr[4]>arr[5];* */for(int i=0;i<arr.length-1;i++){for (int j = i+1; j < arr.length; j++) {if (arr[i]>arr[j]) {int b=arr[i];arr[i]=arr[j];arr[j]=b;}}}for (int i = 0; i < arr.length; i++) {System.out.print(arr[i]+" ");}}}