import java.lang.reflect.*;

class Runner {
    static void runMain(Class<?> cls, String[] mainArg) {
		Class<String[]> firstArgType = String[].class;
		Class<Integer> secondArgType = Integer.class;
		try {
			Method mainMethod =
				cls.getDeclaredMethod("main",
									  firstArgType);
			// behaves as main(mainArg)
			mainMethod.invoke(null, new Object[] {mainArg}); 

			// below, they are the same
			mainMethod.invoke(null, arg1, arg2, arg3);
			mainMethod.invoke(null, new Object[] {arg1, arg2, arg3});

			// below, they are the same
			mainMethod.invoke(null, mainArg);
			mainMethod.invoke(null, mainArg[0], mainArg[1], ...);
		} catch (NoSuchMethodException e) {
			System.err.println("main cannot be found!");
		} catch (IllegalAccessException e) {
			System.err.println("main cannot be accessed!");
		} catch (InvocationTargetException e) {
			System.err.println("I don't even know what just happened!");
		}
	}

    public static void main(String[] args) {
		System.out.println("I'm the one-argument main");
		for (String s : args)
			System.out.println(s);
    }
    
    public static void main(String[] args, Integer n) {
		Class<String> stringCls = String.class;
		System.out.println("I'm the two-argument main");
    }
}