MindOrks Read #45
In Software Engineering, for tasks which are required to be performed only once, we use the Singleton Pattern. Singleton Pattern is a software design pattern that restricts the instantiation of the class to only “one” instance.
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@JvmStatic, @JvmOverloads and @JvmField in Kotlin
In Kotlin, if you want to write a function or any member of the class that can be called without having the instance of the class then you can write the same as a member of a companion object inside the class. So, by declaring the companion object, you can access the members of the class by class name only.
Null safety is one of the best features of Kotlin. If you are familiar with Java, then must have encountered with NullPointerException and to remove this or in other words, we can say that to safely deal with this NullPointerException, the developers of Kotlin introduced Null safety. So, in Kotlin, a normal property can’t hold a null value. If you are doing so then you will get compile-time error.
