Agile Engineering Practices That Will Be Covered In CSD Course

A Scrum Developer is someone who is well-versed in Scrum related techniques and has the technical skills required to develop a software product. In a Scrum team that comprises of the Product Owner, Scrum Master, and the Development team, it is only the Scrum Developers who actually perform the programming and software development.

Scrum developers are the ones who start implementing the Scrum methods at the most fundamental level of a product, that is, at the development stage. Considering that the success of a project largely lies on the shoulders of developers, it is important to be well trained in this, for Scrum projects.

Your CSD training will have three days dedicated to teaching you the technical aspects of Scrum, also known as Agile engineering practices. The software industry right now is all about fast deployment while at the same time meeting the customer’s requirements and taking in their feedback.

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The traditional way of software development that requires careful and thorough planning for the whole development cycle at the start is not really cut out for handling the fast-changing demands of today’s market.

This is why more and more companies are adopting Agile engineering practices as it incorporates constant feedback, remains flexible and is open to changes, and promises faster deployment. Here are the Agile engineering practices that you will learn and master during your CSD course.

SOLID Design Principles

There are five coding principles which put together make up the SOLID design principles and they are:

• Single Responsibility Principle: Each class should only have one responsibility and that implies each class has only one reason to change.
• Open-Closed Principle: Classes or modules can be extended but their source code should not be modified.
• Liskov Substitution Principle: Every object can be replaced by an instance of its sub-type. This substitution should change how the system works from the client’s point of view.
• Interface Segregation Principle: Every interface should be designed for its client. The interface shouldn’t be too big and shouldn’t have any methods it does not use.
• Dependency Inversion Principle: Higher levels of the program should depend on abstractions and not on the lower levels themselves.

SOLID principles are used to create code that is easy to maintain, is robust, reusable, and easily extendable. For all of this to happen, the code must have high cohesion and low coupling. Cohesion occurs when different parts of the system work together to create better results than if they were working separately.

Coupling refers to the degree to which the classes or modules depend on each other. Each of the SOLID principles aims to reduce the level of coupling between classes or modules and increase their cohesion.

Test Driven Development

Test Driven Development or TDD involves writing a test that is designed to fail for the code, running the test, and adding just enough code to make it pass the test, and running the test again to see if it passed. You are writing a test for a code that has not been written yet.

The process ensures continuous testing and even that smallest bits of code are tested while being written. It also implies that there will be fewer errors when you test the code at a later stage. By testing each bit of code as you go, you are also ensuring that it is easy to spot bugs whenever they occur.

Code Refactoring

Code refactoring is the process of simplifying and improving the existing code without changing its behaviour. The changes are purely internal and if you are not told that the code hasn’t been changed and you only look at how it behaves with other elements, you shouldn’t be able to tell the difference. But then why do it? Well, you may not have written the perfect code the first time around.

But when you come back and look at it, you spot unhealthy dependencies or allocation of too many responsibilities to a class or bad allocation of responsibilities or even duplication in the code. Refactoring removes all of these and clarifies the code. This also makes the code easy to extend and maintain and plays an important part in TDD by helping the code evolve continuously.

Continuous Integration

In a Scrum development team, different people are working on different aspects of the end product. You can keep working separately and only integrate everything towards the end. But when you do this, there is a high probability of generating conflicts and bugs and resolving them will take a lot of time and effort.

Instead, Scrum Developers use Continuous Integration. Scrum developers should integrate their code at regular intervals. This can be a few times a day or once every day. By doing so, any conflict will present itself at an early stage and can thus be easily fixed. It also means that everything the team has worked on till then is in a ready to release form.

Make Better Software With CSD Training

As seen above, a CSD course will cover practices that go hand in hand with the continuous testing and development methodology of Scrum. If the whole product development process has to go smoothly, every person in the development cycle needs to implement Scrum approved programming practices.

By undertaking CSD training, you will become well-versed in these techniques and their implementation. This will make you a more valuable part of the team and you can actively contribute towards the adoption of Scrum in the organization.

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