检查对象是否为集合的方法。

/**来自 NowJava.com - 时  代  Java**/


//package com.book2s;


import java.util.*;


public class Main {

    public static void main(String[] argv) {

        Object ob = "book2s.com";

        System.out.println(isCollection(ob));

    }


    /**

     * Method to check if a Object is a Collection or not.

     * @param ob the Object to inspect.

     * @return if true the class extend or implememnt Collection.

     */

    public static boolean isCollection(Object ob) {

        return ob instanceof Collection || ob instanceof Map;
        /**