课程: Introduction to Dart

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Components of a class

Components of a class - Dart教程

课程: Introduction to Dart

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Components of a class

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- [Instructor] Let's say you're building a new house. You have all the tools you need but you also need a blueprint to follow. A class in Dart is like a blueprint for an object. It outlines all the components that an object will have and how they will work together. So, what are the components of a class in Dart? First, we have the class name. This is the name you give to your class, and it's used to create objects based on that class. For example, if you are building a Dog class, the class name will be Dog. Next, we have the class properties. These are the characteristics or attributes of an object that are defined within the class. For example, a Dog class might have properties like breed, age and name. We also have the class methods. These are the actions that an object can perform. For example, a Dog class might have methods like bark or fetch. Finally, we have the class constructor. This is a special method that is…

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