AlphabetChecker.java

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

public class AlphabetChecker {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the path to the text file: ");
        String filePath = scanner.nextLine();
        
        try {
            File file = new File(filePath);
            Scanner fileScanner = new Scanner(file);
            String content = "";
            
            while (fileScanner.hasNextLine()) {
                content += fileScanner.nextLine();
            }
            
            boolean containsAllLetters = containsAllAlphabetLetters(content.toUpperCase());
            
            if (containsAllLetters) {
                System.out.println("The text file contains all 26 letters of the alphabet.");
            } else {
                System.out.println("The text file does not contain all 26 letters of the alphabet.");
            }
            
            fileScanner.close();
        } catch (FileNotFoundException e) {
            System.out.println("File not found. Please make sure the file path is correct.");
        }
        scanner.close();
    }
    
    private static boolean containsAllAlphabetLetters(String text) {
        for (char letter = 'A'; letter <= 'Z'; letter++) {
            if (!text.contains(String.valueOf(letter))) {
                return false;
            }
        }
        return true;
    }
}