Write a program to input a sentence and sort each word in increasing order of the length of the words. If the length is same then sort the words in alphabetical order.

import java.util.*;
public class Word_Sort_Length_lexi
{
    public static void main()
    {
        Scanner sc = new Scanner(System.in);
        String s, s2[], w="", tmp;
        int i, l, c=0, k=0, j;
        char ch;
        System.out.println("Enter a string:");
        s = sc.nextLine();
        s = s+' ';
        l = s.length();
        for(i=0;i<l;i++)
        {
            if(s.charAt(i)==' ')
            c++;
        }
        s2 = new String[c];
        for(i=0;i<l;i++)
        {
            ch = s.charAt(i);
            if(ch!=' ')
            w = w+ch;
            else
            {
                s2[k] = w;
                k++;
                w="";
            }
        }
        for(i=0;i<c;i++)
        {
            for(j=0;j<c-1-i;j++)
            {
                if(s2[j].length()>s2[j+1].length())
                {
                    tmp = s2[j];
                    s2[j] = s2[j+1];
                    s2[j+1] = tmp;
                }
                else if(s2[j].length()==s2[j+1].length()&&s2[j].compareToIgnoreCase(s2[j+1])>0)
                {
                    tmp = s2[j];
                    s2[j] = s2[j+1];
                    s2[j+1] = tmp;
                }
            }
        }
        System.out.println("The sorted array is: ");
        for(i=0;i<c;i++)
        {
            System.out.print(s2[i]+" ");
        }
    }
}