program for display each word sort form in java

class eachword_sorted
{
public void meth(String s)
{
       String res="",res1="";s=s+" ";
        int l=s.length();
          for(int i =0;i<l;i++)
          {
              if(s.charAt(i)!=' ')
              {
                  res=res+s.charAt(i);
                }
                else
                {
                    res1=sort(res);res="";
           
                System.out.print(res1+" ");
            }} System.out.println();
        }
        public String sort(String a)       
            {
                String r="";
                int i,j;
                char ch;
                
                  for(i=65;i<=90;i++)
                  {
                      for(j=0;j<a.length();j++)
                      {
                          ch=a.charAt(j);
                          if((int)ch==i || (int)ch==(i+32))
                              r+=ch;
                       }
                    }
                    return r;
                }
            }