QuizWeek1/StringUtilities.java

public class StringUtilities {
   public Character getMiddleCharacter(String word){
       int middleIndex = word.length() / 2;
       char middleCharacter = word.charAt(middleIndex);
       return middleCharacter;
   }
   
   public String removeCharacter(String value, char charToRemove){
       StringBuilder sb = new StringBuilder(value);
       
       while(sb.toString().indexOf(charToRemove) != -1) {
           sb = sb.deleteCharAt(sb.toString().indexOf(charToRemove));
       }       
       return sb.toString();  
   }
   
   public String getLastWord(String value) {
       String lastWord = "";
       for(int i = value.length() - 1; i > 0; i--) {
           if(Character.isWhitespace(value.charAt(i))) {
               lastWord = value.substring(i + 1, value.length());
               break;
           }
       }
       return lastWord;
   }
}