classwork, Java - rextester

classwork

//'main' method must be in a class 'Rextester'.
//openjdk version '11.0.5'

import java.util.*;
import java.lang.*;

class Rextester
{  
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter a sentence");
        String ss=sc.nextLine();
        ss+=" ";
        String wrd="";
        String arr[]=new String[500];
        int ar[]=new int[500];
        int k=0;
        int ln=ss.length();
        char ch=ss.charAt(ln-2);
        if(ch=='.'||ch==','||ch=='?'||ch=='!')
        {
         for(int i=0; i<ln-1; i++)
         {
             char c=ss.charAt(i);
             if(c!=' ')
                 wrd+=c;
             else
             {
                 int s=0;    
                 int ln2=wrd.length();
                 for(int j=0; j<ln2; j++)
                 {
                     char ch2=wrd.charAt(j);
                     s+=(int)ch2;
                 }
                 arr[k]=wrd;
                 ar[k]=s;
                wrd=""; 
                k++;
             }
         }
                    int temp = 0,word="";  
         for(int x=0; x < k; x++)
         {  
                 for(int y=1; y < (k-x); y++)
                 {  
                          if(arr[y-1] > arr[y])
                          { 
                                 temp = ar[y-1];  
                                 ar[y-1] = ar[y];  
                                 ar[y] = temp;
                          }

}
         }
         
             for(int x=0; x<k; x++)
                 System.out.print(arr[x]+" ");
        }
        else 
            System.out.println("Invalid input");
    }
}


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