public class StringUtilities {
   public Character getMiddleCharacter(String word){
       int post;
        int leng;
        if (word.length()% 2 == 1){
            post=word.length()/2;
            leng= 1;
        } else {
            post=word.length()/2-1;
            leng = 1; 
        }
        String mid = word.substring(post, post
                + leng);
                char output = mid.charAt(0);
        return output;
       
   }
  
   public String removeCharacter(String value, char charToRemove){
       
     String newString = value.replaceAll(Character.toString(charToRemove), "");
     
     return newString;  
   }
   
   public String getLastWord(String value) {
       String lastWord = value.substring(value.lastIndexOf(" ")+1);
       return lastWord;
   }
}