What are design patterns? Explain Singleton, Factory, and Observer with use cases.

What are design patterns? Explain Singleton, Factory, and Observer with use cases.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: interviewbit, computer-science, topic-specific, cs-fundamentals

参考答案摘要

Design patterns are reusable solutions to common software design problems. They are not code snippets, but proven architectural templates. They are generally categorized into: Creational patterns Stru...

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