Year 2021

Sealed classes are used for representing restricted class hierarchies, when a value can have one of the types from a set, but cannot have any other type. In a similar way, sealed classes are similar to enum classes: the set of values…

let us study different modifiers in kotlin, they are listed as private, protected, internal, and public. By default visibility modifier is public. If you do not specify any visibility modifier, public is used by default, which means that your declarations will be…

We have studied about abstract class and interface in other languages. These are the common features of Object Oriented programming language, Now let us see what abstract class says in kotlin. The above is a simple syntax of abstract class…

The defination of lateinit keyword is very simple as the name suggest it says ” Late initialization“. This keyword is often considered as one of the best feature which makes kotlin more advantageous to use but we should not confuse…

In the previous post we have discussed ‘open’ and ‘override’ keywords in Kotlin, but now let us discuss them in detail. In inheritance, it is very important to use these 2 keywords in Kotlin, without them inheritance is not fully…

We have learnt about overloading and overriding concept in every other language (specifically the language which is Object-Oriented Language). Overloading concept basically deals with using one method in a multiple-way or if we go for defining it in a much…

In previous lecture, we learned about what is inheritance? but now in this lecture we will study in depth about methods involved in Any(which is superclass in kotlin). Any class in kotlin use to inherit these three methods from the…

We have worked with inheritance concepts in Java, c#, and many other languages, but now let’s see how the inheritance concept works with Kotlin. By definition, we all know that inheritance means acquiring some or whole properties of the parent…