拆分字符串，字符串中含有逗号和数字，对数字排序并输出

来源：互联网发布：改变未来的九大算法pdf 编辑：程序博客网时间：2024/05/16 02:45

package jsoup;import java.util.Arrays;public class OrderNums {    public static void main(String[] args){        String str = "3,2,1,2,21312,12,23,12,32,12,5,4,5";        //System.out.println(OrderUtil.order(str));        OrderUtil.goodOrder(str);    }}class OrderUtil {    public static String order(String str){        String[] arr = str.split(",");        for(int i =0; i<arr.length-1;i++){            int first = Integer.parseInt(arr[i]);            for(int j=i+1;j<arr.length;j++){                int second = Integer.parseInt(arr[j]);                String aa;                if(first>second){                    aa = arr[i];                    arr[i] = arr[j];                    arr[j] = aa;                    first = Integer.parseInt(arr[i]); //此时arr[i]发生改变                }            }        }        String result ="";        for(String i: arr){            result +=i +" ";        }        return result;    }    //利用Arrays.sort()函数排序    public static void goodOrder(String str){        String[] arr = str.split(",");        int[] num= new int[arr.length];        for(int i=0;i<arr.length;i++){            num[i] = Integer.parseInt(arr[i]);        }        Arrays.sort(num);        for(int i : num){            System.out.print(i+"  ");        }    }}

0 0