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解决代码：

import java.util.Scanner;public static void main(String[] args){    String[] arr=new String[]{"qwe","asd","zxc"};    char[][] crr=new char[3][3];    for (int i = 0; i < arr.length; i++) {       char[] cr=arr[i].toCharArray();char temp;       for (int j = 0; j < cr.length-1; j++) {    for (int j2 = cr.length-1; j2 > j; j2--) {    if (cr[j]>cr[j2]) {    temp=cr[j2];    cr[j2]=cr[j];    cr[j]=temp;}    }            }        crr[i]=cr;    }    System.out.println("-----------------");    for (int i = 0; i < crr.length; i++) {for (int j = 0; j < crr[i].length; j++) {System.out.print(crr[i][j]+" ");}System.out.println();    }}