2025年05月26日

Java中的枚举类型及其高级用法

大家好，今天咱们来聊聊Java中的枚举类型(enum)。这可是Java世界里一个非常实用且有趣的特性，它从Java 5开始就被引入了。如果你正在寻找一种既安全又方便的方式来处理一组固定的常量值，那么枚举绝对是你的不二之选！

枚举的基本概念

2025年05月26日

知识科普:USB端口如何禁用和解锁?

2015-07-30 05:32:00 作者：赵为民

经常有人会说，我要保护我的笔记本电脑的USB端口，在未经授权的情况下不能够访问。是否有专业的软件可以将USB端口锁死，然后在需要的时候解锁呢？

是的，其实要实现这个功能我们可以通过调用Windows注册表的方式就能够调整USB存储的访问，而且，非常的方便。

首先，点击左下角“开始-运行”或者组合键"win+R"，调出运行窗口，如下图：

调出运行窗口

2025年05月26日

Java中的枚举类型高级用法：解锁更多可能性

在Java编程中，枚举类型（enum）是一种特殊的数据类型，它允许你定义一组常量。虽然枚举类型看起来简单，但它实际上是一个功能强大的工具，能够以一种类型安全的方式来表示一组固定的值。今天，我们将深入了解Java枚举类型的高级用法，让你发现它的更多潜力。

2025年05月25日

Yao People Celebrate Annual Panwang Festival

Yao people held grand celebrations to mark the annual Panwang Festival at Panwang Square in Qianjiadong Yao Township, Jiangyong County, on November 16. The Panwang Festival is an important event for the Yao people, commemorating their ancestor Pan Hu. This festival holds great significance for the inheritance of the culture and etiquettes of the Yao ethnic minority. The event is marked on the 16th day of the tenth lunar month every year. (Photo/Tian Rurui)

2025年05月25日

China's top political advisory body starts annual session

The opening meeting of the second session of the 14th National Committee of the Chinese People's Political Consultative Conference (CPPCC) is held at the Great Hall of the People in Beijing, capital of China, March 4, 2024. (Xinhua/Li He)

2025年05月25日

China Increases Policy Support to Meet Annual Job Creation Goal

BEIJING, Oct. 25 (Xinhua) -- China will further improve its employment-first policy and help key population groups secure jobs in a quest to meet its annual job creation target, the Ministry of Human Resources and Social Security said on Friday.

2025年05月25日

China Focus: Vice premier calls for safeguarding free trade at Boao annual conference

Chinese Vice Premier Ding Xuexiang, also a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee, delivers a keynote speech while attending the opening ceremony of the Boao Forum for Asia Annual Conference 2025 in Boao, south China's Hainan Province, March 27, 2025. [Photo by Yao Dawei/Xinhua]

2025年05月25日

Boao Forum for Asia Annual Conference 2025 opens in Hainan

This photo shows the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2025 in Boao, south China's Hainan Province, March 27, 2025. [Photo by Du Xiaoyi/Xinhua]

BOAO, Hainan, March 27 (Xinhua) -- The Boao Forum for Asia (BFA) Annual Conference 2025 opened on Thursday in Boao, south China's Hainan Province.

2025年05月25日

第69j届戛纳电影节:玛丽昂·歌迪亚 CANNES : The 69th Annual Cannes Film Festival - "Juste la Fin Du Monde " - "It

5月19日，第69届戛纳电影节举行影片《只是世界末日》拍照式。图为影星玛丽昂·歌迪亚出席。第69j届戛纳电影节：玛丽昂·歌迪亚 CANNES : The 69th Annual Cannes Film Festival - "Juste la Fin Du Monde " - "It新华社外代图片北京2016年5月21日新华社/西霸Marion Cotillard attends "Juste la Fin Du Monde " - "It's Only The End Of The World" Photocall during the 69th Annual Cannes Film Festival on May 19, 2016 in Cannes. //NIVIERE_1315012/Credit:NIVIERE/VILLARD/SIPA/1605191335

2025年05月25日

Apple annual launch promises more of the same

By WU Yangyu

Apple's annual launch event has unfolded much as it always does with Tim Cook pleading that iPhones and Apple Watches are not just gadgets, but mainstays of our daily lives, capable even, of saving lives in critical situations.

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