Java tutorial
//package com.java2s; import java.io.*; public class Main { public static boolean isBDMV(File dir) { if (dir.isDirectory()) { File bdmvDir = new File(dir, "BDMV"); File certificateDir = new File(dir, "CERTIFICATE"); if (bdmvDir.exists() && certificateDir.exists()) { return true; } } return false; } }