Here you can find the source of convertToHqlParameters(Collection extends Number> numbers)
public static String convertToHqlParameters(Collection<? extends Number> numbers)
//package com.java2s; /*//w ww.j av a 2 s . co m * This file is part of MashupMedia. * * MashupMedia is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * MashupMedia is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MashupMedia. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Collection; public class Main { public static String convertToHqlParameters(Collection<? extends Number> numbers) { StringBuilder hqlBuilder = new StringBuilder(); for (Number number : numbers) { if (hqlBuilder.length() > 0) { hqlBuilder.append(","); } hqlBuilder.append(number); } return hqlBuilder.toString(); } }