Kotlin Programming Cookbook

How it works…

In Kotlin, decompiling bytecode is always a great way to know what is happening behind the scenes. If we decompile the bytecode of the object we created, we get the following code, which shows that behind the scenes, the object is just a class with a single instance at a time:

public final class SomeClass {   @NotNull   private static String intro;   public static final SomeClass INSTANCE;   @NotNull   public final String getIntro() {      return intro;   }   public final void setIntro(@NotNull String var1) {      Intrinsics.checkParameterIsNotNull(var1, "<set-?>");      intro = var1;   }   @NotNull   public final String infoIntro() {      return "I am some class. Pleased to meet you!";   }   private SomeClass() {      INSTANCE = (SomeClass)this; intro = "I am some class. ...