public class StringUtilities {
   public Character getMiddleCharacter(String word){
       char middle;
       if(word.length() % 2 == 1)
       {
           middle = word.charAt((word.length() - 1) / 2);
       }
       else
       {
           middle = word.charAt(word.length() / 2);        
       }
       return middle;
   }
   
   public String removeCharacter(String value, char charToRemove){
       String strChar = Character.toString(charToRemove);
       String str = value.replaceAll(strChar, "");
       return str;
   }
   
   public String getLastWord(String value) {
       String[] strArr = value.split(" ");
       return strArr[strArr.length - 1];
   }
}