Even with competition from new languages, the demand for Java developers also remains strong. In fact, Java is among the most in-demand programming languages on the job market, depending on whose numbers you look at. Java developers are reported to have the lowest career switch rate of any profession. It’s a great basis for a steady career. Let’s first look at the list of basic Skills for Java Developer.
Table of Contents (Click on links below to navigate)
List of Basic Skills
However, this isn’t a complete list, below is a list at some of the basic skills needed to become a Java developer:
- Core Java with Java 8 new features (especially Lambda expression)
- Object-oriented programming (OOP) concepts and some common design patterns
- Abstract classes and interfaces
- Constructors
- File IO and serialization
- Collections such as List, Map, Set
- Access specifiers
- Exceptions (checked and unchecked)
- Generics
- Java keywords such as static, final, volatile, synchronized, transient, this, super, etc.
- Java virtual machine (JVM) and memory management
- Multi-threading and synchronization
- Java Server pages (JSP) and Servlets
- Web frameworks (such as Struts, Spring, Hibernate)
- Spring Boot (On high demand)
- Service-oriented architecture and web services (SOAP/REST)
- Web technologies such as HTML, CSS, JavaScript, and jQuery
- Markup languages such as XML and JSON
This is the List of basic Skills for Java Developer that is becoming mandatory work in an organization effectively.
List of Advanced Skills
Here are a few advanced skills a top candidate for Java development jobs should possess:
- Spring Boot and Microservices
- JPA/Hibernate
- Advanced JavaScript framework such as Angular, React, Vue JS etc.
- Amazon Web Services(AWS)
- Hadoop/Big Data
- Mobile technologies (Android or OS)
- AI(Artificial Intelligence) and ML(Machine Learning)
- Blockchain
- Python
Skills for Full Stack Java Developer
Who is a Full-Stack Developer?
A developer who performs all the tasks regarding Front-end, Back-end, the database, and even the integration process. In other words, a developer who can work in both client as well as server application.
- Front-end : HTML, CSS, JavaScript, Angular/React, Vue
- Back-end : Java, Core Java, JSP, Servlets, Spring, Hibernate, Spring Boot
- Integration Layer : Java Web-service/Restful API
- Database : such as Oracle, MySQL, SQL Server, MongoDB etc.
- Version Control Systems such as Git, GitHub, SVN etc.
- Testing tools such as Junit, Selenium etc.
Full-stack development is a skill that is in high demand. In order to become a successful full-stack developer, you need to be proficient in all the above skills.
