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 London
Skills you'll gain: Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Market Analysis, Marketing, Marketing Management, Business Strategy, Market Dynamics, Target Market, Auditing, Analysis
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Computer Programming, Unit Testing, Program Development, Software Design, Test Driven Development (TDD), Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, General Networking, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms
Intermediate · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Closing (Sales), Business Modeling, Cold Calling, Design Thinking, Customer Analysis, Entrepreneurship, Technology Roadmaps, Market Opportunities, Innovation, Sales Process, Technology Strategies, Market Analysis, Target Market, Marketing, Business Strategy, Forecasting, Ideation, Marketing Strategies, Strategic Planning, Business Strategies
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Chemical Engineering, Quantitative Research, Chemistry, Thermal Management, Mechanical Engineering, Engineering Calculations, Process Engineering, Numerical Analysis, Engineering Analysis, Statistical Methods, Differential Equations, Physics, Engineering, Simulation and Simulation Software, Probability Distribution, Mathematical Modeling, Applied Mathematics, Materials science, Open Source Technology, Simulations
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Event Management, Blogs, Content Development and Management, Content Management, Web Design, Web Design and Development, No-Code Development, Brand Management, Digital Marketing, Public Relations
Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Verbal Communication Skills, Public Speaking, Grammar, Vocabulary
Mixed · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Data Visualization, Descriptive Statistics, Quantitative Research, Plot (Graphics), Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Hypothesis Testing, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Surveys, Sample Size Determination, Ethical Standards And Conduct, Data Analysis, Research and Design
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Oral Comprehension, Vocabulary, Literacy, English Language, Language Competency, Grammar, Writing, Language Learning
Beginner · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Legal Research, Law, Regulation, and Compliance, International Relations, European History, Regulatory Compliance, Business Economics, Compliance Management, Environmental Laws, E-Commerce, Public Policies, Case Law, Labor Law, Commercial Laws, Governance
Beginner · Course · 1 - 3 Months

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, LLM Application, Data Engineering, Data Manipulation, Snowflake Schema, Large Language Modeling, Model Deployment, Data Warehousing, Unstructured Data, Embeddings, Cloud Development, SQL, Natural Language Processing, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC)
Beginner · Professional Certificate · 1 - 3 Months

Caltech
Skills you'll gain: Science and Research, Research, Physical Science, Scientific Methods, Life Sciences, Physics, Water Resources, Advanced Mathematics, Chemistry, Environment, Biology, Geospatial Information and Technology, Simulations
Mixed · Course · 1 - 3 Months