Classes
Kotlin Classes
Defining Kotlin Classes
Kotlin classes use class with properties and methods.
Introduction to Kotlin Classes
Kotlin, as a statically typed programming language, uses the keyword class to define classes. A class in Kotlin can contain properties, methods, and constructors. Classes are a fundamental part of object-oriented programming and allow you to create complex data structures and functionalities.
Defining a Simple Class
To define a simple class in Kotlin, you use the class keyword followed by the class name. Properties and methods can be added within the class body.
Constructors in Kotlin
Kotlin provides a primary constructor which is part of the class header. You can initialize properties directly in the primary constructor. Secondary constructors can also be used if additional logic is needed during object creation.
Properties in Kotlin Classes
Properties in Kotlin are variables defined within a class. You can define properties as val (immutable) or var (mutable). Properties can have default values and custom getters and setters.
Methods in Kotlin Classes
Methods in Kotlin are functions defined within a class. They can access and modify the properties of a class. Methods provide behaviors to objects instantiated from classes.
Conclusion
Kotlin classes are powerful tools that let you model real-world entities in a structured way. By using properties and methods, you can create flexible and reusable objects. In the next section, we will explore data classes, which are a specialized form of classes in Kotlin.
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