Object Structures in Dart

Jan 28, 2016

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This chapter is from the book 

Write Web Apps with Dart: Develop and Design

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Summary

In this chapter, you’ve gone from working with single variable instances to working with complex object hierarchies. You’ve looked at various approaches to sharing behaviors, encapsulating data, and controlling value states.

The next chapter looks at how to share the classes using packages and libraries.

You should Now Know

The difference between a local variable and a class field
About function scope and class scope
How class namespace works, and how it interacts with lexical scope
How to define a class using generative constructors and parameter initialization
How to define a class using factory constructors
What the factory keyword implies about object instantiation
How to define static functionality
The impact of variable assignments using the keywords final and const
How to define class taxonomies using classical inheritance
The implications of using the abstract keyword on classes and methods
What polymorphism is and how to leverage it
How to share behavior using inheritance, mixins, and interfaces

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