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.
Diese Übung ist Teil des Kurses
Input/Output and Streams in Java
Anleitung zur Übung
- 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".
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
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());
}
}
}