Java tutorial
//package com.java2s; //License from project: Apache License import java.util.ArrayList; public class Main { public static String getNoCommandsAlert(ArrayList<String> commands) { if (commands == null || commands.size() == 0) { String warn = "<div class=\"alert alert-warning\" role=\"alert\">\n" + " <strong>No Commands listed</strong><br />\n" + " Have a look at the left panel to learn see to add commands" + "</div>"; return warn; } return ""; } }