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.

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS (Software), SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Statistical Analysis, Data Analysis Software, Business Planning, Data Storage Technologies, Business Strategy, Business Strategies, Market Share, Distributed Computing, Machine Learning Algorithms, File Systems
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Product Strategy, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Business Strategy, Artificial Intelligence, Data Ethics, Responsible AI, Applied Machine Learning, AI literacy, Data Science, Machine Learning, Artificial Neural Networks, Deep Learning
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Key Management, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Data Literacy, digital literacy, Data Ethics, Journalism, Artificial Intelligence, Data Sharing, AI literacy, Big Data, Law, Regulation, and Compliance, Data Processing, Data Collection, Social Impact, Machine Learning, Algorithms
Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Environmental Issue, Sustainable Development, Sustainable Systems, Pollution Prevention, Environment and Resource Management, Climate Change Mitigation, Environmental Policy, Environmental Science, Systems Thinking, Climate Change Adaptation, Natural Resource Management, Community Development, Biology, Energy and Utilities, Economics, Policy, and Social Studies, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Engineering, Control Systems, Electronics Engineering, Simulation and Simulation Software, Simulations, Mathematical Modeling, Electrical Power, Engineering Analysis, Verification And Validation, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Exploitation techniques, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Liberal Arts, Research, Psychology, Investigation, Writing, European History
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Azure Active Directory, Microsoft Azure, Data Lakes, Platform As A Service (PaaS), Cloud Computing, Data Integration, Relational Databases, AI Personalization, Cloud Applications, Cloud Development, Power BI, Performance Tuning, Microsoft Visual Studio, Cloud Hosting, Model Deployment, Cloud Computing Architecture, Cloud Platforms, Cloud Services, Cloud Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, Docker (Software), AI Workflows, Kubernetes, Agentic Workflows, Azure Active Directory, Prompt Patterns, Generative AI Agents, LangChain, Microservices, Microsoft Azure, Artificial Intelligence, Distributed Computing, Serverless Computing, Natural Language Processing, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Engineering, Software Development Tools, JUnit, Software Testing, Diagram Design, Design, Data Ethics, Test Automation, Dataflow
Intermediate · Course · 1 - 3 Months