确定是否可以从分配课程

//package com.nowjava;
/** 
来 自 
NowJava.com - 时代Java
**/


public class Main {

    /**

     * Determine if classes can be assigned from

     *

     * @param c1 first array of classes

     * @param c2 second array of classes

     * @return true if c1 array can be assigned from c2 array

     */

    public static boolean isAssignable(Class[] c1, Class[] c2) {

        if (c1 == null || c2 == null)

            return false;


        if (c1.length != c2.length)

            return false;


        for (int i = 0; i < c1.length; i++) {

            if (!c1[i]