public class StringUtilities {
   public Character getMiddleCharacter(String word){       
       return word.charAt(word.length()/2);
   }
   
   public String removeCharacter(String value, char charToRemove){
     return value.replace(String.valueOf(charToRemove),"");
   }
   
   public String getLastWord(String value) {
       String[] arr = value.split(" ");
       return arr[arr.length-1];
   }
}