Sort an array of large numbers

compare.java

import java.util.*;

class SortArrayOfStringsBasedOnStringLenghts{
    
    public static void sortStringsArray(String str[]){
        
       Arrays.sort(str, new java.util.Comparator<String>() {
    
        @Override
        public int compare(String s1, String s2) {
            if(s1.length() != s2.length()) 
                return s1.length() - s2.length();
            return s1.compareTo(s2);
        }
       });
       
        for(int i=0;i<str.length;i++)
        System.out.print(str[i]+" ");
        
    }
    
    public static void main(String args[]){
        String str[]={"5", "12376", "97987", "12"};
        sortStringsArray(str);
    }
}