Demonstration of various method invocation issues : Method « Reflection « Java

1. Java
2. Reflection
3. Method

Demonstration of various method invocation issues

        

/*
 *     file: VariousMethodDemos.java
 *  package: oreilly.hcj.reflection
 *
 * This software is granted under the terms of the Common Public License,
 * CPL, which may be found at the following URL:
 * http://www-124.ibm.com/developerworks/oss/CPLv1.0.htm
 *
 * Copyright(c) 2003-2005 by the authors indicated in the @author tags.
 * All Rights are Reserved by the various authors.
 *
 ########## DO NOT EDIT ABOVE THIS LINE ########## */

import java.lang.reflect.Method;

/**
 * Demonstration of various method invocation issues.
 * 
 * @author <a href=mailto:kraythe@arcor.de>Robert Simmons jr. (kraythe)</a>
 * @version $Revision$
 */
public class VariousMethodDemos {
  /**
   * Run the demo.
   * 
   * @param args
   *          Command line arguments (ignored).
   */
  public static void main(final String[] args) {
    try {
      final Class[] ARG_TYPES = new Class[] { String.class };
      Object result = null;

      Method meth = Integer.class.getMethod("parseInt", ARG_TYPES);

      result = meth.invoke(null, new Object[] { new String("44") });
      System.out.println(result);

      result = meth.invoke(null, new Object[] { new String("Jonny") });
      System.out.println(result);
    } catch (final Exception ex) {
      ex.printStackTrace();
    }
  }
}

/* ########## End of File ########## */

   
    
    
    
    
    
    
    
  

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