Java 测试实体数组是否为空。

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//package com.nowjava;

//N o w J a v a . c o m

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public class Main {

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    public static void main(String[] argv) {

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

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

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

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    }

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    /** Test if entities array is not empty.

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     *

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     * @param entities to test if is not empty.

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     * @return true if entities is not null and its length is more than zero.

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     */

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    public static boolean isNotEmpty(Object[] entities) {

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        return !isEmpty(entities);

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    }

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    /** Test if entities array is empty.

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     *

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     * @param entities to test if it is empty.

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

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     */

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