How to learn design patterns?

1. I used to learn object-oriented by watching my colleagues’ code.

2. I have never deliberately learned design patterns, how should I start learning them?

3. What books do you recommend? Why recommended?

Reply content:

1. I used to learn object-oriented by watching my colleagues’ code.

2. I have never deliberately learned design patterns, how should I start learning them?

3. What books do you recommend? Why recommended?

Please take a look at this Githubrepository (10,000+ Star): sample code for several design patterns in PHP

http://www.imooc.com/learn/236

You can refer to the notes I took while learning Java

Java 23 design patterns study notes