State Pattern – Design Patterns (ep 17)
28:46
Null Object Pattern – Design Patterns (ep 18)
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Factory Method Pattern – Design Patterns (ep 4)
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The State Design Pattern in Python Explained
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Iterator Pattern – Design Patterns (ep 16)
51:30
Design Patterns Revisited in Modern Java by Venkat Subramaniam
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Strategy Pattern – Design Patterns (ep 1)
50:42
Template Method Pattern – Design Patterns (ep 13)
1:20:01