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Hello, I need to make a program that prints "Word" until the user puts point , and find if the given word from the user is already given to say that is given and return the user to put new word.

Like:
Word: cat
Word: done
Word: cat // here it must say that this word is already given

What I have tried:

Java
Scanner sc = new Scanner(System.in);
        int count=0;
        String pass;
        String word = ".";
        String userWords = "";

        do {
            System.out.print("Word: ");
            pass = sc.nextLine();
              String[] sentence = pass.split(" ");
        }
        while (!(pass.equals(word)));
       String  sameWord = " ";
          boolean match = false;
        for (int i = 0; i < sentence.length; i++) {
            if (sentence[i].equals(pass)) {

               sentence[i] += pass + " ";
                match = true;
                sentence = pass.split(" ");
       // String= sentence[i];
                System.out.println("This word already exists!");
                return;
            }
            count++;
            if(count> sentence.length) {
                sentence=Arrays.copyOf(sentence,sentence.length+1);
            }

        }
        for(int j=0; j< sentence.length;j++) {
            System.out.println("All words:");
            System.out.println(sentence[j]);
            System.out.println();
        }
Posted
Updated 16-Dec-20 12:18pm
v3
Comments
Patrice T 16-Dec-20 15:09pm
   
What is your problem with this code ?

1 solution

Your main problem is that your "logic" is "outside" the "do while" loop.

You need the code within the "do while" loop, or in a "subroutine" that you call from the "do while" loop.

And you should just "break out" with a "period", since your present code would execute what follows anyway.

Or maybe, you meant to use a "while" loop. Main difference is you "prime" a "while" loop.

while - C# Reference | Microsoft Docs[^]
   
Comments
CPallini 17-Dec-20 2:23am
   
Hey Gerry, it is Java.

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