Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Hibernate (Java), Application Frameworks
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Algorithms, Data Sharing
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Performance Tuning, Cloud Infrastructure, Computing Platforms, Infrastructure As A Service (IaaS), Cloud Services, Capacity Management
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Machine Learning Algorithms, Machine Learning Methods, Machine Learning, Python Programming, Supervised Learning, Model Evaluation, Scikit Learn (Machine Learning Library), Logistic Regression, Analysis, Applied Machine Learning, Regression Analysis, Model Training, Unsupervised Learning, Mathematics and Mathematical Modeling, Statistical Methods, Linear Algebra
Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Java, OS Process Management, Scala Programming, Servers
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Computing, Virtual Machines, Cloud Infrastructure, Cloud Computing Architecture, Cloud Platforms, Cloud Services, Virtual Networking, Virtualization and Virtual Machines, Enterprise Application Management, Cloud Applications, Cloud Deployment, Infrastructure As A Service (IaaS), Application Deployment, Network Planning And Design, Virtual Private Networks (VPN), Cloud Management, Virtualization, Cloud Storage, Remote Access Systems
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, Spring Framework, SQL, Database Systems, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Unit Testing, JUnit, Test Case, Software Testing, Software Development, Software Engineering, Java Programming, Java
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Model Training, AI Personalization, Data Science, Machine Learning Software, Predictive Analytics, Data Preprocessing, Python Programming, Machine Learning Methods, Development Environment, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Software Design, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months