Verifying note locations
Before accessing a saved note, your app should confirm it's where it should be. In this final exercise, you'll check whether specific files and folders exist and print relevant messages, just like verifying shelves before filing paper notes.
Este exercício faz parte do curso
Input/Output and Streams in Java
Instruções do exercício
- Create a FileobjectnotesDirthat points tonotes.
- Create a new directory named notes.
- List all contents of directory named notes.
- Retrieve the absolute path of file named "note.txt".
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
import java.io.File;
class DirectoryManager {
    public static void main(String[] args) {
        try {
            // Create a directory
            File notesDir = ____ ____("notes");
            if (____.____()) {
                System.out.println("Directory 'notes' created successfully");
            }
            File noteFile = new File("notes/note.txt");
            if (noteFile.createNewFile()) {
                System.out.println("File 'note.txt' created successfully");
            }
            // List contents of the directory
            File[] files = ____.____();
            if (files != null) {
                for (File f : files) {
                    System.out.println("File: " + f.getName());
                }
            }
            
			// Retrieve and print the absolute path of the file
            System.out.println("Absolute Path: " + ____.____());
        } catch (Exception e) {
            System.out.println("An error occurred: " + e.getMessage());
        }
    }
}