FileInfo.java

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

public class FileInfo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the file name:");
        String fileName = scanner.nextLine();
        scanner.close();
        File file = new File(fileName);
        System.out.println("File Information:");
        System.out.println("Exists:" + file.exists());
        System.out.println("Readable:" + file.canRead());
        System.out.println("Writable:" + file.canWrite());
        if (file.exists()) {
            String fileType = getFileType(file);
            long fileLength = file.length();
            System.out.println("Type:" + fileType);
            System.out.println("Length(in bytes):" + fileLength);
        }
    }

    private static String getFileType(File file) {
        if (file.isDirectory()) {
            return "Directory";
        } else {
            String fileName = file.getName();
            int dotIndex = fileName.lastIndexOf('.');
            if (dotIndex > 0 && dotIndex < fileName.length() - 1) {
                return fileName.substring(dotIndex + 1).toUpperCase() + "File";
            } else {
                return "unknown";
            }
        }
    }
}