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 the directory named
notes. - Retrieve the absolute path of the file named
"note.txt".
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
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());
}
}
}