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Outline

1.Retain Cycle Patterns

1. Two object retain cycle pattern
2. Single object retain cycle pattern
3. Closure retain cycle pattern

2.Design Patterns

1. Strategy
2. Singleton
3. Delegate
4. Middiator
5. Factory

3.Protocol-Oriented Programming

4.Grand Central Dispatch(GCD)

Miscellaneous

Interview Question for 正體中文

Requirement

• Xcode 9
• Swift 4

History

2017/10/3 update