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TDD (Test Driven Development) – first come tests and then the code. The minimal piece of code is written in order to pass the designed test. In other words, it is the process of testing the code before its accrual writing. If the code passes the test, then we can proceed to its refactoring.

DDD (Domain Driven Design) is the way of creating complex systems by developing the separate parts of it. At first, the domain (a set of functionality) is defined and described as before creating something it is necessary to understand what exactly it will be. In other words, it is the process of being informed about the domain before code writing.

BDD (Behavior Driven Development) is a customer-focused process. It is based on the full and clear understanding of the system or module behavior but in the terms of business/client. We can say that BDD is the implemented TDD with some aspects of DDD.

The tests for TDD are created by developers for developers. The test for BDD can be written by testers or technical managers.

DDD is focused on researching, defining all required aspects before proceeding to coding. TDD is the procedure of accrual code writing.

Test-Driven Development and Domain Driven Design are very useful techniques that provide us a chance to learn a lot of things about coding. It is easy to read grabmyessay reviews before help in essays online. I have asked my teacher for assistance to understand both these techniques and I hope these will prove to be very useful for me.