



How does Smalltalk compare to other OOP languages? What are message passing and object interaction?
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what is object oriented Informational
- What are the alternatives to temporary fields? What are message chains and why are they a design smell?
- What are the potential benefits and drawbacks of operator overloading? What are inner classes (nested classes) in object-oriented languages?
- When might you use a factory pattern? What is the Singleton pattern?
- In which OOP languages are delegates a key feature? What are anonymous functions (or lambda expressions) in object-oriented languages?
- When might a switch statement be acceptable? What are comments and why can excessive comments be a design smell?
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- How does OOP support modularity?
- How can you define custom behavior for operators when applied to objects of your classes?
- How does a collaboration diagram show object interactions and their organization?
- How can you refactor a Blob anti-pattern? What is the Spaghetti Code anti-pattern?
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