Class constructor

Basic usage of constructors

Class People(var age:Int,var name:String) {var age:Int,var name:String);Copy the code

Primary constructor default argument

Class People @jvmoverloads constructor(var age:Int,var name:String = "Kotlin")Copy the code

The main constructor

There can be only one primary constructor and multiple secondary constructors, but all secondary constructors must call the primary constructor directly or indirectly

Class constructor

Basic usage of constructors

Class People(var age:Int,var name:String) {var age:Int,var name:String);Copy the code

Primary constructor default argument

Class People @jvmoverloads constructor(var age:Int,var name:String = "Kotlin")Copy the code

The main constructor

There can be only one primary constructor and multiple secondary constructors, but all secondary constructors must call the primary constructor directly or indirectly