package de.fabianonline.telegram_backup; import java.io.File; import java.util.List; import java.util.Vector; public class Utils { static Vector getAccounts() { Vector accounts = new Vector(); File folder = new File(Config.FILE_BASE); File[] files = folder.listFiles(); for (File f : files) { if (f.isDirectory() && f.getName().startsWith("+")) { accounts.add(f.getName()); } } return accounts; } }