测试实体数组是否为空。

//package com.nowjava;


public class Main {
/**
 from
* NowJava.com - 时  代  Java 
**/

    public static void main(String[] argv) {

        Object[] entities = new String[] { "1", "abc", "level", null,

                "nowjava.com", "asdf 123" };

        System.out.println(isEmpty(entities));

    }


    /** Test if entities array is empty.

     *

     * @param entities to test if it is empty.

     * @return true if entities array is null or entities array length is zero.

     */

    public static boolean