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Introduction
Any lover of Ruby on Rails (RoR) would be doing themselves a disservice by neglecting to look into Grails, a lesser-known Java framework similar to it in many ways.
Aside from the technical intricacies, Grails supports high productivity in simpler terms.
Additionally, using this Java framework, you can concentrate on your business rather than facing the plumbing issues that tech organizations frequently have when implementing new technologies. Stay tuned to the article to learn more about what Grails can achieve for your company!
What Is Grails?
Officially released in 2008, Grails can stream web development for developers and businesses who want to spend less time configuring and more time to code.
Like many web frameworks, Grails uses the traditional model-view-controller (MVC) software architecture. This makes Grails even good at speeding up development because the pattern separates concerns between the model (business logic) and view (graphical interface).
The controller in this pattern works as a liaison between the logic and the interface, transforming data from the model to the view and vice versa.
However, the most significant feature of Grails is that it stresses a coding over convention (CoC) paradigm.
What Is Groovy?
Due to Groovy's comparatively flat learning curve, it is used in Grails, a Java framework that is built on top of existing Java frameworks like Spring and Hibernate.
Ironically, Grails was once referred to as Groovy on Rails to suggest its similarity to Ruby on Rails. However, this name was rejected for legal grounds.
Nevertheless, Apache Groovy is still a strong programming language with simple syntax. In addition to Groovy's syntax advantages, the language extends metaprogramming at compile time and runtime.
The term "metaprogramming" refers to a technique in which the machine alters the program itself to make it more efficient.
Here's an overview of Groovy's technical makeup:
Optionally typed — in Groovy, developers have the choice to use static typing and static compilation, where variable types should be explicitly declared
Dynamic — a class of high-level programming languages where some behaviors run at runtime as opposed to static languages; errors do not stop the script from running, the advantage being that Grails developers can modify code somewhat while the program is running
Domain-specific — Use of Groovy in a Java-based framework only flattens the learning curve because it is a domain-specific programming language, which is tailored to certain settings.
Why Use Grails?
XML Configurations
In Java and nearly every framework, developers are driven to configure their framework and environment before and during development.
Such configurations provide greater consistency across applications.
Most developers cannot help but consider it a tedious task, especially since conventional configurations are all that are ever used.
So Grails decided there's no need to configure XML files while using Grails. This framework utilizes a system of conventions and rules to inspect the code and create the feng shui of configurations that nicely suits your work.
Ready-To-Use Environment
Traditional Java frameworks need that you assemble development units before you begin. Though you may not have the experience to understand how irritating this effort is, you can imagine picking up and flipping over several scattered pieces of a 1000-piece puzzle. It isn't very pleasant. And in Grails, it's entirely not needed.
The Grails framework has a web server, Java web environment, and all your necessary libraries. The developers can get to it right away.
Mixins Support
Mixins are types of classes with methods. In classic object-oriented programming, methods are attached to a class for good. But in Grails, you can operate the methods of a particular class outside of its parent or originating class.
This would essentially mean that your acquaintance had a child who inherited the tall gene from their father. You know the gene is nearby even if you don't have access to it, so you build a copy and pass it on to your descendants. It goes without saying that selective breeding is unethical.
Yet, code reuse at this level makes for a highly dynamic language and happy developers in software development.
Updated Dependencies of Grails
Grails 5.2.4 ships with the following dependency upgrades:
Groovy 3.0.7
Micronaut 3
Micronaut for Spring 4
GORM 7.2.0
Spring Framework 5.3
Spring Boot 2.6
Gradle 7.2
Spock 2.0-groovy-3.0
Grails Testing Support 2.3.0
Frequently Asked Questions
What is Grail Java?
Grails is Java and Groovy framework used when developing agile web applications. Grails implements the MVCS (Model, View, and Controller) design pattern.
What is the difference between Java and Groovy?
Groovy can be used as both programming and scripting Language. Groovy is a superset of Java which means Java program will run in Groovy environment but vice-versa may or may not be possible. Whereas Java is strongly and statically typed programming language.
Are Groovy and grails are same?
Grails is an open-source web application framework that uses the Apache Groovy programming language (which is in turn based on the Java platform).
Conclusion
In this article, we understood a new java backend framework known as Grails. We also learnt about its programming language known as groovy and the various advantages of using it. At last, we saw its dependencies with some frequently asked questions on grails and groovy.
We hope this blog has helped you understand better. If you would like to learn more. Check out our articles on AWS, AWS Certification, and Cloud Computing. Practice makes a man perfect. To practice and improve yourself in the interview. You can check out Top 100 SQL problems, Interview experience, Coding interview questions, and the Ultimate guide path for interviews.
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