Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. 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: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Software Development, Development Environment, Integrated Development Environments, Computer Programming, Software Engineering, Programming Principles
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Hibernate (Java), Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Software Configuration Management, Java Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Project Management Life Cycle, Change Management, Organizational Structure, Project Management, Project Coordination, Organizational Change, Agile Methodology, Project Planning, Waterfall Methodology, Interpersonal Communications, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mockups, Android (Operating System), Java, Mobile Development, Object Oriented Programming (OOP), Java Programming, Prototyping, Application Design, Application Development, Wireframing, Software Design Patterns, JSON, Application Lifecycle Management, User Interface (UI) Design, Program Development, Restful API, Geospatial Information and Technology, Instagram
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Program Development, Bioinformatics, Data Storage, Development Testing, Theoretical Computer Science, Computational Thinking, Network Analysis, Programming Principles, File Systems, Computer Programming, Python Programming, C and C++, Java, Rust (Programming Language), Javascript, Software Testing, Debugging
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Java, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Unix Commands, HTML and CSS, Git (Version Control System), GitHub, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), React.js, Mobile Development, SQL, Database Design, API Design, Linux Commands, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization, Data Visualization Software, Big Data, Microsoft Excel, IBM Cognos Analytics, Data Analysis, Statistical Analysis, Apache Hadoop, Analytical Skills, Excel Formulas, Looker (Software), Scatter Plots, Tree Maps, Apache Hive, Spreadsheet Software, Dashboard, Data Cleansing
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Regression Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Data Wrangling, Machine Learning Algorithms, Plotly, Plot (Graphics), Interactive Data Visualization, Machine Learning, GitHub
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Management, Cyber Security Strategy, Incident Response, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Network Analysis, Ethical Standards And Conduct
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, Apple iOS, UI/UX Research, Usability Testing, Apple Xcode, Data Structures, Swift Programming, Jest (JavaScript Testing Framework), User Interface (UI), Unix Commands, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), JavaScript Frameworks, Web Design and Development, Web Applications, Web Development Tools, React.js, Javascript
Beginner · Course · 1 - 4 Weeks