Java for Android courses can help you learn app development, user interface design, and mobile programming principles. You can build skills in working with APIs, managing databases, and implementing responsive layouts. Many courses introduce tools like Android Studio and Gradle, that support coding, testing, and deploying your applications effectively.

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Application Programming Interface (API), Google Cloud Platform, Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Cloud Deployment, OAuth, YAML, Restful API, Load Balancing, Configuration Management
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Cyber Governance, Cyber Risk, Law, Regulation, and Compliance, Security Strategy, Security Awareness, Culture Transformation, Human Factors (Security), Cyber Attacks, Mobile Security, Enterprise Security, Cyber Security Strategy, Communication, Cybersecurity, Strategic Leadership, Cyber Operations, Leadership and Management, Leadership, Organizational Leadership, Leadership Development, Team Leadership
Beginner · Specialization · 3 - 6 Months

Università di Napoli Federico II
Skills you'll gain: NoSQL, Control Systems, Apache Hadoop, Apache Hive, Big Data, Simulation and Simulation Software, Mechanical Design, Database Systems, Artificial Intelligence, Mechanical Engineering, Computer Vision, Laboratory Experience, Databases, Systems Architecture, Distributed Computing, Simulations, Global Positioning Systems, Business Intelligence, Robotics, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, Application Design, Tool Calling, Large Language Modeling, Context Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Oral Comprehension, Vocabulary, Grammar, English Language, Language Competency, Literacy, Language Learning, Verbal Communication Skills, Active Listening
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Dental Informatics, Dental Procedures, Dentistry, Dental Care, Oral Health, Disabilities, Biomedical Technology, Biomedical Engineering, Emerging Technologies, Digital Transformation, Medical Imaging, Computer-Aided Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Database Management, SQL, Big Data, Database Systems, Amazon Web Services, Data Management, Amazon S3, Apache Hadoop, Data Storage, Cloud Storage, Performance Tuning, File Systems, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Instrumental Music, Music Performance, Education Software and Technology, Music Theory, World Music, Teaching, Classroom Management, Cultural Responsiveness, Active Listening, Creativity, Collaboration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Computer-Aided Design, AutoCAD, Drafting and Engineering Design, Product Design, Product Development, Technical Drawing, Design
Beginner · Guided Project · Less Than 2 Hours

Michigan State University
Skills you'll gain: Game Design, Peer Review, Storytelling, Video Game Development, Writing, Content Creation, Creative Thinking, Active Listening, Constructive Feedback, Storyboarding
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Sustainable Architecture, Waste Minimization, Sustainable Technologies, Environmental Engineering, Construction, Water Sustainability, Sustainable Design, Environment and Resource Management, Water Resource Management, Energy and Utilities, Building Codes, Building Design, Sustainability Standards, Environmental Management Systems, Sustainable Development, HVAC, Stormwater Management, Architectural Engineering, Construction Management, Thermal Management
Intermediate · Specialization · 1 - 3 Months