39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
/*******************************************************************************
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* Copyright (c) 2013 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package reflection;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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/**
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* Test of Constructor.newInstance
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*/
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public class Reflect22 {
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public static void main(String[] args) throws ClassNotFoundException, SecurityException,
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NoSuchMethodException, IllegalAccessException, InstantiationException,
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IllegalArgumentException, InvocationTargetException {
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Class<?> helperClass = Class.forName("reflection.Helper");
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Constructor<?>[] constrs = helperClass.getDeclaredConstructors();
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for (Constructor<?> constr : constrs) {
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if (constr.getParameterTypes().length == 1) {
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Class<?> paramType = constr.getParameterTypes()[0];
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if (paramType.getName().equals("java.lang.Integer")) {
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Integer i = new Integer(1);
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Object[] initArgs = new Object[]{i};
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constr.newInstance(initArgs);
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break;
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}
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}
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}
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}
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}
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