package com.book.lite;import java.util.Arrays;/*** @author zhangyu* @date 2021年08月19日 10:49 下午* 使用正则表达式，给字符串排序* 使用数组排序*/
public class RegexDemo1 {public static void main(String[] args) {test();}public static void test(){String s = "23 54 12 8 4 34";//将数组以空格切割String[] s1 = s.split(" +");//定义数组，长度为字符数组的长度int[] arr = new int[s1.length];//利用循环将字符串数组添加到int数组中for (int i = 0; i<s1.length;i++){arr[i] = Integer.parseInt(s1[i]);}//使用顺序排序将数组进行排序for (int x = 0 ;x< s1.length;x++){for (int y= x+1; y< s1.length;y++){if (arr[x] > arr[y]){int  temp = arr[y];arr[y] =  arr[x];arr[x] = temp;}}}//将数组转化为字符串数组System.out.println(Arrays.toString(arr));//使用缓冲区，将字符串转成无括号输出StringBuilder builder = new StringBuilder();for (int x = 0 ;x<s1.length;x++){if (x == s1.length-1){builder.append(arr[x]);}else {builder.append(arr[x]+" ");}}System.out.println(builder);}
}