InvokeMain.java Source code

Introduction

Here is the source code for InvokeMain.java

Source

import java.lang.reflect.Method;

/**
 * Show loading a class and finding and calling its Main method.
 * 
 * @author Ian F. Darwin, http://www.darwinsys.com/
 * @version $Id: InvokeMain.java,v 1.3 2004/02/09 03:33:54 ian Exp $
 */
public class InvokeMain {
    public static void main(String[] argv) {
        //+
        try {
            // First, find the class.
            Class c = Class.forName("InvokeMain"); // RECURSION
            System.out.println(c);

            // Create the array of Argument Types
            Class[] argTypes = { argv.getClass(), // array is Object!
            };

            // Now find the method
            Method m = c.getMethod("main", argTypes);
            System.out.println(m);

            // Create the actual argument array
            Object passedArgv[] = { argv };

            // Now invoke the method.
            m.invoke(null, passedArgv);

        } catch (Exception e) {
            System.err.println(e);
        }
        //-
    }
}