Question

In: Computer Science

Name: __________________________________________ Specifications: Create a class called WordMaker that is passed characters one at a time...

Name: __________________________________________

Specifications:

Create a class called WordMaker that is passed characters one at a time and assembles them into words.

As long as the characters passed to it are letters, it builds a word by placing each character on the end of a string.

When a character that is not part of a word (i.e., is not a letter) is encountered, the class signals that the word is complete, and makes a string containing the word available to its client.

After encountering a non-letter, it will continue to ignore whitespace passed to it until it encounters a letter, in which case it will signal that a new word is being built.

Apostrophes are a special case. Even if they occur within a word (e.g., surrounded on each side by a letter), they should be ignored.

The class will have the following public member functions:

public void reset()

Resets the WordMaker so that it is ready to start building a word.

public void addChar(newChar);

Adds a character to the WordMaker. If it is a letter and

WordMaker is making a word, it adds it to the end of the word. If

it is a letter and WordMaker is not making a word, it erases the

current word, and starts a new word with the letter. If it is not a

letter and WordMaker is making a word, it ends the word (unless

it is an apostrophe, treated specially as described above). If it is not

a letter and WordMaker is not making a word, it is ignored.

public boolean wordReady()

Returns true if the WordMaker has finished constructing a word,

false otherwise. After a reset, or when the WordMaker is first

constructed, it returns false. When a word has just been completed

(i.e., the first non-letter character has been added), it returns true.

Otherwise it returns false.

public String getWord()

Returns the word that the WordMaker has created when

WordReady returns true. It should not be called when WordReady

returns false.

A test plan should accompany this project.
1. List a description of the various test cases you will program.
2. Give each test in your test plan a number.
3. Annotate each line in the methods with the number of a test case that tests it to verify that your code coverage is complete.
4. Also annotate your output to make clear what your test plan tests.
5. The test plan will be assessed based on its thoroughness and clarity.

Expert Solution

CODE :

class WordMaker{
   private String word = "";
   boolean wordBuilding = false;

   public void reset(){
       word = "";
   }

   public void addChar(char c){
       int asci = c;
       if((asci >= 65 && asci <= 90) || (asci >=97 && asci <= 122)){
           if(wordBuilding){
               word += c;
           }
           else{
               reset();
               wordBuilding = true;
               word += c;
           }
       }
       else if(c == '"'){}
       else{
           wordBuilding = false;
       }
   }

   public boolean wordReady(){
       if(word.length() != 0 && !wordBuilding){
           return true;
       }
       else{
           return false;
       }
   }

   public String getWord(){
       return word;
   }
}

class Main{
   public static void main(String [] args){
       WordMaker wm = new WordMaker();

       if(wm.wordReady()){
           System.out.println(wm.getWord());
       }

       String test = "sfda saf ;ljljoih";

       for(int i=0;i<test.length();i++){
           wm.addChar(test.charAt(i));
           if(wm.wordReady()){
               System.out.println(wm.getWord());
           }
       }
       System.out.println(wm.getWord());
   }
}

OUTPUT :

NOTE :

Unit testing is not implemented.

The string (test) in the class "Main" is designed as such the whole program is being covered and tested.

If still test cases are required :

1] Empty string (test = "")

2] String with only one word (test = "HELLO")

3] String with more than one word without a special character (test = "HELLO WORLD")

4] String with apostrophe (test = "HELLO \"WORLD ")

5] String with special characters (test = "HELLO ;<World")

venereology answered 4 weeks ago

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