Here you can find the source of newInstance(Class
public static <T> T newInstance(Class<T> clazz) throws Throwable
//package com.java2s; /******************************************************************************* * Copyright (c) 2010-2015 BSI Business Systems Integration AG. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors:/*from w w w . jav a2s . c o m*/ * BSI Business Systems Integration AG - initial API and implementation ******************************************************************************/ import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; public class Main { public static <T> T newInstance(Class<T> clazz) throws Throwable { try { Constructor<T> cons = clazz.getDeclaredConstructor(); cons.setAccessible(true); return cons.newInstance(); } catch (InvocationTargetException e) { throw e.getCause(); } } }