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Post By Admin Last Updated At 2021-11-06
Roadmap for Becoming a Java Developer?

Because java is one of the greatest languages to learn when entering the world of coding. So, it can be tough for a beginner to find an answer to the question of how to be a java developer. This blog will provide you with a step-by-step guide to being a java developer. As well, an overview of the various layers of java development and their point. This roadmap's goal is to assist you to decide what to study next, not to follow trends. So, let's get this blog started!


java developer


What does the term "Java Developer" mean?

Java is one of the most useful and favored programming languages in the technical world. It's an object-oriented, class-based programming language derived from C and C++ syntax. Java is useful in computer games, desktop apps, mobile apps, online apps, etc. Also, in software for a variety of platforms. Because of all these benefits and uses, java is in 3rd or 4th place among the most popular languages. It is in that place for the past five years, according to the US Bureau of Labor Statistics. Because of the growing need for java around the world, the average yearly pay of such a java developer is $104K. So, many students want to work as java developers. Since because there are so many chances.

But, what exactly is a java developer, and what are their duties? To integrate java into commercial software. So, a Java developer works with software engineers and developers. Throughout the life cycle of the website, Java developers must handle the design. Also, they do testing of java apps. With the help of java, a Java developer can convert needs into terms. So, they can generate technical designs for application development. They're also in charge of finding production & non-production application bugs. As well, sharing in software analysis. You're wondering how to get a career as a java developer in today's tech-competitive world. We've outlined the entire process for landing a job as a java developer in your desired firm below.

A Step-by-Step Guide to Being a Java Developer

If you don't know how to learn new technology, it might be difficult. Learning java is about knowing enough java to gain work as a java developer. Also, not about developing a "hello world" program. We'll provide you with a step-by-step guide to managing your learning. Also, revisions as you work your way up to become a skilled java developer. Let's get started on learning how to be a java developer.

Click our Java Online Course at IT Guru to know more information about this course.

Topics for Beginners

As a newcomer to the technical world, you have no idea what programming is. Also, what ideas and concepts do you need to know to get started. So, we'll learn basic coding skills during the first of the java developer roadmap. The following are some of the most important topics to cover as java fundamentals:

Java Syntax:

Each language has its syntax to deal with. Any programming language will display an error if you make a mistake in the syntax. So, when working with it, and you will become stuck. As a result, the first and most important step is to master the grammar of the java programming language.

Data Types:

As the foundation of computer language, it is critical to becoming familiar with data sorts. So, it holds various types of variables. Also, they are to store the data in the system's memory during programming.

Data Structure:

When programming in Java, a data structure is data management. So, it organizing formate used to store data. Many different data structures get supports from Java. So, it includes string, integer, float, boolean, and so on.

Basic Logical Operations:

Logical operations manipulate Boolean values to determine whether conditions are true or false. When working with conditional expressions or loops, logical operations are typically useful.

Conditional Statements:

When programming, we need to check whether a certain condition. So, it is true or false before executing certain statements. In coding, conditional statements are useful for such tasks. In Java, conditional statements include if, if. Else, if..else, and if..else.


They were like conditional statements. So, in that, they execute once it met the condition. While loops and for loops are examples of java loops.

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Intermediate Topics/OOP Concepts (Level 2)

Java, like C++, is an object-oriented programming language. Students who have no prior knowledge of OOP principles. Also, who goes from a procedural language to an object-oriented language. So, it will be unfamiliar with processes and concepts. E.g, creating objects, class-object hierarchy, and so on, and may have difficulties at first. But, with enough experience, you will get aware of these principles as well as the benefits of OOPs. On the road to becoming a Java developer, you should grasp the following OOP concepts.


A class is a blueprint for defining variables and functions for objects of a particular kind. As a result, the class might consider one of OOP's defining methods.


In Java programming, an object is an instance of a class. Further, to make the data useful. So, we can state that the object contains some specified methods and properties.


Constructors are members of the class who have exceptional abilities. They run every time a new item generates. The constructor's id is identical to that of the class. It also lacks any return types, including void.


In OOP, encapsulation implies merging a class's attribute and behavior. But, while restricting access to the class's inner workings.


Data abstraction is the process of concealing information from the outside world. Also, providing the data required to conceal the remaining facts.


Inheritance allows us to create a class that is depending on another class. As a result, you'll be able to construct and maintain the app.


Polymorphism means "multiple forms." It occurs most often when a class network is linked via inheritance.

There are many other OOP principles. E.g., this pointer, buddy function, exception handling, λ function, and so on. All the above OOP concepts will need two weeks to understand. So, to practice & to prepare yourself for upcoming Java projects and apps.

Level 3: Coding Experimentation

Because java is the most difficult programming language in the emerging technical era. So, stating "I know java" in your CV will not guarantee you a job as a java developer. Moreover, to convince recruiters to hire you. So, you must construct starter projects and work on some outstanding real-world projects. It is simpler to show that one knows java if one has a few java projects on their resume. We've listed a few java projects below that you can use to spruce up your resume.

Software for Bank Management

System for Billing Electricity

App for chatting

Clock with Digital Display

System for Managing Students

Ordering System for Food

Aside from that, you can study and practice other outstanding java projects. So, to win a job as a java developer in the ideal firm.

Top Java Developer Skills in 2021

In 2021, learn how to be a Java Developer. Let's start with the prerequisite abilities for being a Java developer. So, before going on to Tools, APIs, Frameworks, Testing, & Database.


For servers, databases, websites, & apps, Linux is a popular operating system. For developers, this helps make the Linux command line is important. As a result, familiarising yourself with Linux commands and ideas is highly suggested. Thus, instructions that aid in the administration of files, disc space, and processes.

Github & Git

For managing Git repositories, Git and Github are VCS and cloud-based hosting services. Developers can use Git and Github to manage their version control. Thus, allowing them to continue working on the project. So, you without having to worry about breaking other portions. Essential concepts. E.g., a master, branch, checking push or pull, & checkouts must understand by a developer. A developer must also know git diff & git commit.


There is no web without HTTP/HTTPS. And a developer must understand the differences between them. Also, how they work, the various HTTP methods. So, they are more secure, which port each of them utilizes, and what each one's goal is.

Algorithms and Data Structures

Data structures are useful for programmers to store and organize data. Programmers, but, utilize algorithms to alter data within data structures. You will become a better Java programmer as you learn more about data structures and algo. Also how they work. Linked lists, arrays, stack, queue, graph, hash table, etc. Also, dynamic programming techniques must all be familiar to you.

SQL Server

A Java programmer should also know SQL. It is difficult to repair backend problems with and help of SQL. SQL provides a Java API for accessing and forming database data. It aids in the founding of a connection via Driver Manager. So, it provides standard mapping for SQL types to interfaces and classes. Thus, it gives detailed database info, among other things. You'll be able to grasp the query database and stored ideas if you know SQL. So, you'll be able to determine if the problem is in the database layer and or Java layer. SQL is a skill that somehow a programmer may learn fast and apply for the rest of their career.

Design Patterns

The well-described answers to a set of typical software issues are as design patterns. It offers a tried-and-true method for dealing with recurring issues. Design patterns increase reusability. Thus, resulting in more resilient code and lower software ownership costs. Design patterns also make it easier to know and troubleshoot programs. The three major categories of design patterns in Java are creational, structural, & behavioral. So, by knowing about the many Java design patterns, you'll be able to figure out which one to use and when.

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How much Java knowledge do you have to get a job?

The answer to this question is contingent on how you have pursued a profession as a java developer. You can get a job as a java developer if you understand basic and advanced java principles. Also, have practiced implementing these in the real world. But, if you have only grasped the principles. Also, have never learned to apply them through code and projects. So, it’s my advice that you do so. As a new java developer, it's a good idea to start with some basic and advanced topics. As well, some of the most often used java frameworks in the tech industry. Spring and Hibernate are two examples of java frameworks. So, they are useful in the industry. Also, recommends for learning and application after mastering intermediate and advanced java topics.


It is not knowing a programming language. So, it will lead you down the route of becoming a developer. To be a java developer, one must follow a detailed roadmap. So, it includes all necessary practical demos and can lead to the developer job of one's dreams. Remember, if you stick to the road and practice enough to prove your skills to recruiters. So, you'll be able to work in the IT industry as a java developer. You can't code without writing. Programming is a useful skill. Java programmers should start practicing code as soon as feasible.

Enroll in Java Online Training at IT Guru to gain more knowledge.