TLDR, Short answer, yes we do! What is not a kotlin coroutine? Coroutines are not threads or in any way lightweight threads, I have seen hazy analogies in various articles but it confuses more often than it helps. What are kotlin coroutines? Strictly speaking, coroutines are instances of suspendable computation, i.e…

The factory design pattern is based on the simple design principle that we must identify the portions of the code which are likely to change and encapsulate them so that changing the mutable portion of the code doesn’t require changes in other portions of the codebase. Wait! what does encapsulation…

Why do we need to know what dagger generates, why can't we just use annotations and be happy with it? It looks magical to me and that's why I wanted to understand what really happens in the annotation processing step aka the code generation. For understanding this I will go…

straightaway to the questions ! Is Java compiled vs Interpreted? JDK compiles java source code (*.java files) into bytecode (*.class files) and then finally interprets by JVM to machine code. Can't really put it in one category? What is JRE? JRE provides a Java class loader, class libraries, Java Virtual Machine (JVM), and GC . …

UUIDs/GUIDs are formally defined in RFC 4122. They’re Universally Unique IDentifiers, that can be generated without the use of a centralized authority. All UUIDs are 128 bits in length but are commonly represented with 32 hexadecimal characters. Some facts 1. Hex character can be represented in binary system using 4 bits…

Let's digress a bit and know what wildcards are first ? is an unbounded wildcard in java. i.e it can hold anything that comes in its place, representing an unknown type. e.g let's take an example where there is a simple utility function that is only responsible for checking if…

In the first article, we explored how dagger generates factories for injected constructor dependencies, in this article we will explore more about the dagger-generated code when we use @Provides method instead of constructor injection for defining dependencies or bindings. As mentioned in the previous article, Dagger generates a factory for…

We ended the previous article with a simple dependency injection example. now I want to make that a tad more complex by adding MembersInjector into the mix 😈! We introduced MembersInjector as something which helps us inject all dependencies in a class at once, instead of doing it separately for…

In the previous article, we ran into the shortcomings of the simple runnable thread abstraction for implementing multithreaded code in java. We will explore the executor service abstraction from the concurrent package and see if it really solves our problems. Just for a reminder! The problem at hand was computing…