import java.util.*;


public class StringUtilities {
    public Character getMiddleCharacter(String word){
        double middleIndex = word.length()/2;
        return (word.charAt((int)middleIndex));
    }

    public String removeCharacter(String value, char charToRemove){
        return (value.replace(String.valueOf(charToRemove), ""));  
    }

    public String getLastWord(String value) {
        int lastSpaceIndex = value.lastIndexOf(" ");
        return value.substring(lastSpaceIndex+1);
    }
}