Question

Write a Java program to read in words from the given file “word.txt”.

a. Prompt the user for two words

b. Print out how many words in the file fall between those words

c. If one of the two words is not contained in the file, print out which word is not found in

the file

d. If both words are not found in the file, print out a message

e. Sample output:

Please type in two words: hello computer

There are 123 words between hello and computer

Please type in two words: good night

good is not found!

Please type in two words: happy day

Both words are not found!

content in word.txt

Punctuation is in there. its 300 pages so cant post it

Answer 1

Thanks for the question. Below is the code you will be needing. Let me know if you have any doubts or if you need anything to change. 

If you are satisfied with the solution, please leave a +ve feedback : ) Let me know for any help with any other questions.

Thank You!

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import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class WordsInBetween {

    public static void main(String[] args) {

        String fileName = "words.txt";
        int firstWordPosition = -1;
        int secondWordPosition = -1;

        try {
            Scanner fileReader = new Scanner(new File(fileName));
            Scanner keyboard = new Scanner(System.in);
            System.out.print("Please type in two words: ");
            String firstWord = keyboard.next();
            String secondtWord = keyboard.next();
            String wordRead;
            int wordCount = 0;
            while (fileReader.hasNext()) {
                wordRead = fileReader.next().toLowerCase();
                wordCount += 1;
                if (wordRead.contains(firstWord.toLowerCase())) {
                    firstWordPosition = wordCount;
                } else if (wordRead.contains(secondtWord.toLowerCase())) {
                    secondWordPosition = wordCount;
                    if (firstWordPosition != -1) {

                        break;
                    }
                }
            }
            fileReader.close();
            if (firstWordPosition == -1 && secondWordPosition == -1) {
                System.out.println("Both words are not found!");
            } else if (firstWordPosition == -1) {
                System.out.println(firstWord + " is not found.");
            } else if (secondWordPosition == -1) {
                System.out.println(secondtWord + " is not found.");
            } else {
                System.out.println("There are " + (secondWordPosition - firstWordPosition - 1) + " words between " +
                        firstWord + " and " + secondtWord);
            }

        } catch (FileNotFoundException e) {
            System.out.println("Error: Could not open/read file: " + fileName);
            return;
        }
    }
}

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