Kotlin Programming Cookbook

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One thing to note here is that you cannot implement a custom getter or setter for your property in the constructor. You need to declare a property in the body of the class:

class Student(val name: String, age: Int) {  var age: Int = age      set(value) {        println("Setting age to $value")        field = value  }}

One key thing to note here is that you need to keep the visibility of the getter exactly similar to the visibility of the property:

protected var name="aanand"protected get() = field.toUpperCase()

The preceding code is perfectly valid, though it's redundant to place the same access modifier again, hence it's better to omit it.

The setter, on the other hand, can have an access modifier less permissive than the property. Consider ...