Here you can find the source of getConstructor(Class
public static <T> Constructor<T> getConstructor(Class<T> cl, Class<?>... params)
//package com.java2s; /*//from ww w . ja v a 2s .co m * Copyright 2007-2008 Sun Microsystems, Inc. * * This file is part of Project Darkstar Server. * * Project Darkstar Server is free software: you can redistribute it * and/or modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation and * distributed hereunder to you. * * Project Darkstar Server 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 this program. If not, see <http://www.gnu.org/licenses/>. */ import java.lang.reflect.Constructor; public class Main { /** Returns the specified declared constructor, making it accessible. */ public static <T> Constructor<T> getConstructor(Class<T> cl, Class<?>... params) { try { Constructor<T> result = cl.getDeclaredConstructor(params); result.setAccessible(true); return result; } catch (Exception e) { throw new RuntimeException("Unexpected exception: " + e, e); } } }