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.

Rice University
Skills you'll gain: Dataflow, Java, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Computer Science
Intermediate · Course · 1 - 3 Months

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

Coursera
Skills you'll gain: Eclipse (Software), Java, Java Programming, Functional Design
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Scripting, Application Servers, Javascript and jQuery, Java, Apache Tomcat, Server Side, Hypertext Markup Language (HTML), Web Applications, Model View Controller
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Email Security, Cyber Risk, Malware Protection, General Data Protection Regulation (GDPR), Information Privacy, Multi-Factor Authentication, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Distributed Computing, Java, Middleware, Scala Programming, Servers, Network Protocols
Intermediate · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Model View Controller, Apple iOS, Apple Xcode, Swift Programming, User Interface (UI), Mobile Development, UI Components, User Interface and User Experience (UI/UX) Design, Application Frameworks, Computer Programming
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Network Analysis, Computational Thinking, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Specimen Collection, Specimen Processing, Specimen Preparation, Medical Laboratory, Laboratory Testing, Cell Cultures, Biochemical Assays, Cell Biology, Analytical Chemistry, Laboratory Research, Molecular, Cellular, and Microbiology, Molecular Biology, Biomedical Technology, Laboratory Equipment, Biology
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Jenkins, CI/CD, Java, Continuous Deployment, Java Programming, Artificial Intelligence, Apache Spark, Applied Machine Learning, Decision Tree Learning, Deep Learning, Machine Learning, Fraud detection, Spring Boot, Natural Language Processing, Regression Analysis, Reinforcement Learning, Debugging
Intermediate · Specialization · 1 - 3 Months