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.

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronic Systems, Electronic Components, Electronic Hardware, Electronics, Materials science, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Value Propositions, Growth Strategies, Business Strategies, Consumer Behaviour, Target Market, Customer Insights, Market Research, Price Negotiation, Market Analysis
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Content Marketing, Facebook, Social Media, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Malware Protection, Exploitation techniques, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Code Review, Debugging, System Programming, Scripting, Windows PowerShell, Virtual Environment, Linux, File Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Deep Learning, Convolutional Neural Networks, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Classification Algorithms, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, Agentic systems, AI Workflows, OpenAI API, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI, Large Language Modeling, AI Enablement, Retrieval-Augmented Generation, Artificial Intelligence, Semantic Web, Development Environment, Tool Calling, Microsoft Azure, AI Personalization, Microsoft Development Tools
Intermediate · Specialization · 3 - 6 Months

Deep Teaching Solutions
Skills you'll gain: Conflict Management, Interpersonal Communications, Cognitive flexibility, Emotional Intelligence, Cultural Diversity, Responsible AI, Media and Communications, Critical Thinking, Innovation, Social Studies, Psychology
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Program Development, Electronic Systems, System Design and Implementation, Eclipse (Software), Embedded Software, Embedded Systems, Development Environment, Software Development, Integrated Development Environments, Software Development Tools, Engineering Documentation, Build Tools, Laboratory Experience, Laboratory Reports, Laboratory Testing
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Epidemiology, Microbiology, Biology, Public Health, Molecular Biology
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Monitoring, Network Administration, Network Security, Routing Protocols, Network Troubleshooting, OSI Models, TCP/IP, Computer Networking, Network Switches, General Networking, Command-Line Interface, Network Routing, Networking Hardware, Network Architecture, Local Area Networks, Network Infrastructure, Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Mainframe Computing, Operating System Administration, System Programming, Operating Systems, Unix Commands, Data Management, File Systems, Data Storage, File Management
Intermediate · Course · 1 - 4 Weeks