Design Mode Learning Difficulty coefficient ranking

This is the learning difficulty coefficient of each design mode that yqj2065 feels.

Mr. Liu Wei (Sunny) has a 5-minute learning difficulty, which is listed after the pattern name.

There are several different modes of evaluation. The Abstract Factory mode and the Yuan mode give 4 points/5, while the single case mode is 1 point/5. The champions are the same.

Learning Difficulty coefficient:
☆☆☆☆☆☆☆☆☆☆
Dependency injection mode
Static factory Mode 2
Rule Mode 1

★☆☆☆☆☆☆☆☆☆
Factory method mode 2
Template Method Mode 2
Adapter Mode 2
Responsibility Chain Mode 3
Appearance Mode 1

★★☆☆☆☆☆☆☆☆☆
Abstract Factory Mode 4
Bridge Mode 3
Iterator 3
Share Mode 4

★★★☆☆☆☆☆☆☆

Intermediary Mode 3
Decoration Mode 3
Combination Mode 3
Memorandum Mode 2

★★★★☆☆☆☆☆☆

Prototype 3
Observer Mode 3
Command mode 3

★★★★★☆☆☆☆☆

Singleton Mode 1
Status Mode 3
Visitor Mode 4

★★★★★★☆☆☆☆

Assembly plant Mode 4
Proxy Mode 3

★★★★★★★☆☆☆

Interpreter mode 5

Design Mode Learning Difficulty coefficient ranking