JAVA------13.字符串去掉非数字 ，从大到小排序

package com.servlet;

import java.util.Arrays;

public class TestDemo {
    public static void main(String[] args) {
        String a="MA0136,MA0151,MA0177,MA0159,MA0179,MA0135,MA0153,MA0133,MA0158,MA0147,MA0155,MA0134,MA0131,MA0141,MA0145,MA0175,MA0157,MA0137,MA0097,MA0100,MA0090,MA0093,MA0095,MA0079,MA0073,MA0071,MA0123,MA0127,MA0130,MA0122,MA0160,MA0156,MA0092,MA0077,MA0075,MA0096,MA0064,MA0094,MA0140,MA0138,MA0143,MA0132,MA0121,MA0070,MA0061,MA0062,MA0069,MA0063,MA0099,MA0129,MA0161,MA0149,MA0142,MA0164,MA0146,MA0067,MA0065,MA0098,MA0081,MA0068,MA0066,MA0113,MA0111,MA0150,MA0120,MA0126,MA0128,MA0124,MA0125,MA0085,MA0083,MA0034,MA0032,MA0152,MA0038,MA0040,MA0082,MA0033,MA0084,MA0089,MA0039,MA0037,MA0154,MA0165,MA0167,MA0163,MA0178,MA0162,MA0088,MA0086,MA0031,MA0087,MA0035,MA0072,MA0148,MA0174,MA0172,MA0144,MA0180,MA0170,MA0076,MA0078,MA0091,MA0036,MA0074,MA0080,MA0176,MA0173,MA0166,MA0168,MA0169,MA0171,MA0115,MA0117,MA0119,MA0112,MA0114,MA0110,MA0102,MA0116,MA0118,MA0106,MA0108,MA0101,MA0107,MA0103,MA0109,MA0104,MA0105";
    
        String[] b=a.split(",");
        String c="";
        int[] nums = new int[b.length];
        for (int i = 0; i < b.length; i++) {
            c=b[i].replace("MA0","");
            
            nums[i]=Integer.valueOf(c);
        }
        Arrays.sort(nums);
        System.out.println(Arrays.toString(nums));
    }
}