Perustiedostotoiminnot

              
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import java.io.File;
import java.io.IOException;

public class FileOperationsExample {
    public static void main(String[] args) {
        // Create a File object representing the file "example.txt"
        File file = new File("example.txt");

        // Check if the file exists
        if (file.exists()) {
            System.out.println("File already exists.");
        } else {
            try {
                // Try to create the file if it does not exist
                if (file.createNewFile()) {
                    System.out.println("File created successfully.");
                } else {
                    System.out.println("Failed to create the file.");
                }
            } catch (IOException e) {
                System.out.println("An error occurred while creating the file.");
                e.printStackTrace();
            }
        }

        // Delete the file
        if (file.delete()) {
            System.out.println("File deleted successfully.");
        } else {
            System.out.println("Failed to delete the file.");
        }
    }
}