package com.glasstunes; public class Debug { public static final boolean LOG_CONTENT = BuildConfig.DEBUG && true; private Debug() { // no instances } public static String buildConcatString(String delimeter, String... strings) { StringBuilder builder = new StringBuilder(); boolean isFirst = true; for (String string : strings) { if (string == null) { string = "NULL"; } if (!isFirst) { builder.append(delimeter); } isFirst = false; builder.append(string); } return builder.toString(); } }