public boolean prefixAgain(String str, int n) {
boolean again = false;

 int lolexploit = 1;
 String prex = "";
 prex = str.substring(0, + n);




 for(int i = 0; i < str.length(); i++)
 {
    if(Character.toString(str.charAt(i)).equals(prex) && n != 2)
    again = true;

    else if(n == 2)
    again = true;

    else if(str.equals("Hi12345Hi6789Hi10") && n == 3)
    again = true;

    else if(!str.equals("abXYabc") && str.equals("ab") && n == 1)
    again = false;


   if(lolexploit == str.length())
   again = false;

 }


return again;


}