简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
java - 关于实际项目中，对象关联通常是单向还是双向，各有什么优缺点 ？
PHP中文网
PHP中文网 2017-04-18 10:25:55
0
1
833

关于实际项目中，对象关联通常是单向还是双向，各有什么优缺点 ？

PHP中文网
PHP中文网

认证高级PHP讲师

reply all(1)
大家讲道理
大家讲道理2017-04-18 10:27:55 1 floor

Personally, I think this depends on the usage scenario

One way

It is irreversible access, hierarchical relationship, and superior data storage

Both directions

Can access each other, easy to obtain data

Like +0
Add Reply
Popular Topics
More>
Popular Articles
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！