Load.java

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Scanner;

public class Load {
    public static void Load() throws java.net.URISyntaxException, java.net.MalformedURLException, java.io.IOException {
        FileInputStream roms = new FileInputStream(new File("Roms.txt"));
        Scanner romsScanner = new Scanner(roms);

        while (romsScanner.hasNextLine()) {
            String file = romsScanner.nextLine();
            URL url = new URI(file).toURL();

            InputStream in = url.openStream();
            String decoded = java.net.URLDecoder.decode(file, StandardCharsets.UTF_8.displayName());
            Files.deleteIfExists(Paths.get(decoded.substring(decoded.lastIndexOf("/") + 1)));
            Path path = Files.createFile(Paths.get(decoded.substring(decoded.lastIndexOf("/") + 1)));

            Files.copy(in, path, java.nio.file.StandardCopyOption.REPLACE_EXISTING);
        }
    }
}