Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Apache Spark, Apache Hadoop, Scala Programming, Spring Boot, Development Environment, Apache, JSON, Data Processing, Information Architecture, Live Streaming, Data Transformation, Java, Restful API, Performance Tuning, Software Architecture, Data Validation, System Configuration
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Apache Kafka, Multi-Tenant Cloud Environments, Data Pipelines, Real Time Data, Operational Data Store, Payment Card Industry (PCI) Data Security Standards, Data Governance, Scalability, Performance Tuning, Capacity Management, Compliance Management, Data Architecture, Application Performance Management, Governance, Apache, Cloud Storage, System Monitoring, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Applications, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Video Game Development, HTML and CSS, Web Design, Animation and Game Design, Front-End Web Development, Web Development, Interactive Design, Computer Graphics, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Load Balancing, Performance Tuning, Real Time Data, Systems Architecture, File I/O, Redis, Object Oriented Programming (OOP), Systems Design, Application Performance Management, Javascript, Maintainability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Programming Principles, Web Development, Database Management, Object Oriented Programming (OOP), Information Technology, Databases, Information Systems, Computer Programming, Algorithms, SQL, Hypertext Markup Language (HTML), Data Structures, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Video Game Development, Generative AI Agents, Prompt Engineering, Game Design, Code Review, 3D Assets, Animation and Game Design, 3D Modeling, Integrated Development Environments, Artificial Intelligence, Generative AI, Project Planning, Javascript, Software Development, Product Development, Web Development, Product Design, Animations, Visual Design, Interactive Data Visualization
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Web Servers, Web Design and Development, Browser Compatibility, Web Content, Web Analytics and SEO, Server Side, Hypertext Markup Language (HTML), Web Applications, Web Frameworks, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development
Mixed · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Event-Driven Programming, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks