41 lines
1.5 KiB
Java
41 lines
1.5 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.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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/**
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* Test of Constructor.newInstance
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*/
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public class Reflect23 {
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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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Object helperObject = helperClass.newInstance();
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Method[] methods = helperClass.getDeclaredMethods();
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for (Method m : methods) {
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if (m.getParameterTypes().length == 1) {
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Class<?> paramType = m.getParameterTypes()[0];
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if (! Modifier.isStatic(m.getModifiers()) && 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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m.invoke(helperObject, 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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