Skills that a Java Software Development Company Must Know in 2021

A Java development company or a developer must constantly upgrade their knowledge and skills to work efficiently on Java software development projects to stay competitive in the market. Here are the top skills that a Java Software Development Company should know in 2021.

Key Skills a Java Software Development Company Should Learn

If you’re looking to hire Java developers for your project or company, or you want to grow your career as a Java programmer, then this article is meant for you. There are some advanced tools and technologies that a Java developer should learn in 2021. Keep reading on to know what these tools are.

  1. Git

Founded in 2005 by Linus Torvalds, Git is one of the most essential tools for Java developers and every Java developer must learn it. Githelps in handling any set of projects using a version control system. This is an open-source system that is free to use. Git mainly focuses on non-linear workflows, speed, and integrity.

Here are some of the Git features that will encourage you to learn more about Git.

  • Distributed extension: Using this repository, Git can create a replica of the development history.
  • Linking approaches: Gitcomes with a toolkit-based design that offers a well-defined model.
  • Toolkit-based design: Toolkit-based design decreases the composite part.
  • Support for non-linear extension: Git comes with two essential factors scaling and branching. Git strongly supports non-linear development.
  • Efficient management of large projects: A locally stored repository facilitates efficient and transparent management of large projects.
  • Fully compatible with existing systems and practices: Git also supports various publishing tools such as FTP and HTTP.

2. Angular or ResponsiveJS

ReactJS and AngularJS are two popular JavaScript frameworks for front-end web development and Java developers should be familiar with these technologies.

AngularJS is an open-source framework is used for building web applications. The core features of Angular are scope, dependency injection, directives, annotations, and child routers. ReactJS is used for building mobile applications. The core features of ReactJS include open-source-side communication with the server, features, Generators, and more.

3. Selenium

Java’s Selenium WebDriver is one of the technologies that a Java software development company or a Java developer should learn in 2021. Selenium provides tools that help in testing web applications using test frameworks. Selenium WebDriverin Java also provides an open-source API. It is also loaded with automation features for web applications. Below are the essential elements of Selenium:

  • IDE (integrated development environment)
  • Remote Control/Selenium 1.0
  • Web Controller/Selenium 2.0/3.0
  • Selenium GRID

4. Easy-to-Use Web Services

REST (Representative Translation of State) is an option that provides architectural style and is crucial for Java developers. It enhances web service performance as well as defines scalability and performance limitations. It is one of the most preferred things that a Java software development company should know in 2021. The recreational API is used for communication in web service development. If you have knowledge of HTML, CSS, etc. you can benefit from RESTful web services.

Here are the features of RESTfulweb services:

  • The client-server-based architecture offers features such as administration, implementation, and hosting of servers. It also helps developers in using services and resources. It is basically a shared computing model in which resources are shared.
  • Statelessness is one of the key features of a REST web service where the server comprehends and offers all the data that makes up an HTTP REST request.
  • The main reason for blocking web APIs and apps is cacheable architecture. Stack technology is not included in this blocking. It is important to cache for scalability.
  • The REST API supports many web servers in a multi-tiered system. This means that one can forward a request to a different server in case a server is busy. A multi-tiered system ensures quick response times for clients.
  • An integrated interface offers a single resource identifier (URI) for keeping records.
  • REST provides flexibility, scalability, and freedom to select one platform and technology.

5. Spring Boot 2

Spring Boot has launched a new version known as Spring Boot 2. The Spring Framework takes care of the overall control and Spring Boot is responsible for providing a standalone solution with a conventional configuration.

It is largely dependent on Java Baseline, cradle plugins, and BOM material. Its automatic configuration ensures responsiveness and security. It also provides reliable technical assistance and enhances the user experience. So, before you hire Java developers, make sure that they hold expertise in Spring Boot 2

Core features of the Undertow loader include:

  • Directly deploy Undertow, Jetty, or Tomcat.
  • Provides dependencies to lessen the build configuration.
  • Spring allows for the development of independent applications.
  • Spring attachments are automatically configured.
  • Provides a higher level of security and technical support.
  • XML configuration requires no code generation.

6. Spring Security

Spring Security is crucial for application authentication. There are two key security features namely the J2EE servlet specification and the EJB specification that are popular amongst Java developers.

Spring Security is compatible with authentication models. It seamlessly integrates with various technologies like HTTP, CAS, JOSSO, LDAP, Kerberos, etc. It is directly related to Java, and therefore, Java developers need to learn it in 2021.

7. Apache Spark and Kafka.

These two technologies are essential for Java developers in 2021. Apache Spark and Kafka had a stable release at the end of 2018. Apache Spark is an open-source framework for cluster computing.

Spark has an app interface for essential tasks such as basic I/O, scheduling, and dispatching. It provides a stream processing platform that is free to use.

Spark provides an application interface for tasks such as basic I/O, scheduling, and dispatching. It gives a stream processing platform that is also available as open source. The code of Apache Kafka is written in Java and Scala. Kafka is capable of using basic APIs such as Stream API, Producer API, Connector API, andConsumer API.

The salient features of Apache Spark include:

  • Real-time stream processing
  • Advanced analysis
  • Multilingual support
  • Speed
  • Integration

The Key features of Apache Kafka

  • Zero downtime
  • High performance
  • Data conversion
  • Reliable and robust
  • Replication
  • Docker

8. Jenkins

Derived from Java programming, Jenkins is open-source automation technology. Continuous Delivery and Integration automate the software development process that supports different version control tools.

Jenkins offers plugins for integration with code written in a different language. Here are the major reasons why a Java software development company or developer should choose Jenkins:

  • Jenkins provides better quality software as compared to others.
  • Software development with Jenkins is much faster as the automated system manages integration.

9. Docker

Docker is written in the Go language and built on Linux. It had a stable release at the end of 2018. Docker offers tools that help containerization. It manages the container or set of software packages.

10.Groovy

Groovy is another essential tool that a Java developer should learn in 2021. Apache Groovy appreciates Java as it supports Java syntax. It is both static and dynamic language with features similar to those of Python, Perl, Ruby, and Smalltalk.

11. Unit Testing

Another essential skill that a Java software development company and developer should learn in the year 2021 is Unit Testing. If a Java developer needs to perform integration or unit testing, then numerous tools and frameworks are available in the market. Some examples include Cucumber, Mockito, etc.

12. The Higher Versions of Java (10, 11, or 12)

Java is the most prominent programming language widely used for software development. Therefore, it is imperative for Java developers to know about the latest versions of Java. It is known as REPL (Real Evaluation Print Loop). The Java Shell is precisely explained in Java 9. There are also popular Java constructs including declarations, interfaces, objects, and classes executed and tested in Java 9. You can opt for higher versions of Java such as Java 10, 11, or 12.

13. Spring framework 5.0

The Spring Framework is used by Java as its application framework. Spring comes with a web framework known as Spring WebFlux. The Spring Framework 5 offers numerous functional API variants. The Spring Framework 5 is a dedicated framework that provides several useful API variations and uses Java programming. It is the latest Spring MVC version.

14. DevOps

Another thing that you should consider when you hire Java developers is their competence in DevOps. It is an effective way of managing software development operations, reducing the development cycle, and providing features, updates, etc. to enterprise products. It establishes a strong relationship between processes and IT development which ensures better communication and collaboration. 

Salient features of a DevOps implementation

  • Implemented In small steps
  • Supports existing systems
  • Using a DevOps toolkit
  • Using system translation

Final Note

These are the top skills that a Java developer must possess to stay competitive in the market. However, it’s not necessary that the developer needs to master all the above-mentioned skills. So, the next time when you Hire Java Developers for your company or project, make sure they hold strong expertise in any of the aforementioned skills in 2021.

FAQs

Q.1. What is the role of a Java developer?

Ans.A Java developer takes care of the design, development, and management of Java applications. Since Java is the most widely used programming language for a variety of applications, the daily roles of a Java developer may vary from project to project.

Q.2. What is Java used for?

Ans. Java is used as the server-side programming language for numerous backend development projects such as Big Data and Android development. It is also used for desktop computing and other mobile computing, numerical computing, games, and so on.

Q.3. Which companies are using Java?

Ans.Some of the leading companies that are using Java include:

  • Google
  • Instagram
  • Pinterest
  • Uber
  • Airbnb
  • Amazon
  • Netflix
  • Spotify

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