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.

LearnKartS
Skills you'll gain: Jenkins, CI/CD, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Software Configuration Management, Application Lifecycle Management, Shell Script, Application Deployment, Continuous Monitoring, Software Development, Software Installation, User Accounts
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, Pseudocode, Computational Thinking, JSON, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Node.JS, Unit Testing, Web Development Tools, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Design Thinking, Data Science, Process Design, Strategic Thinking, Data Pipelines, Data Validation, Data Processing, Workflow Management, Data Cleansing, Data Quality, Business Priorities, NumPy, Machine Learning, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Quantitative Research, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Case Studies, Decision Making, Behavior Management, Behavioral Economics, Applied Behavior Analysis, Human Development, Emotional Intelligence, Psychology, Qualitative Research, Critical Thinking, Empathy, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Art History, Ancient History, World History, Cultural Diversity, Anthropology, Sociology, Policy Analysis, Political Sciences, Economics, Governance
Mixed · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Traffic Flow Optimization, Transportation Operations, Sustainable Design, Environmental Issue, Sustainable Engineering, Feasibility Studies, Emerging Technologies, Regulatory Compliance, Concept Of Operations, Data-Driven Decision-Making, Market Dynamics, Human Factors, Safety Standards
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Graphic Design, User Accounts, Design Software, Shared Media, Presentations, Organizational Skills, Account Management, Content Creation, Marketing
Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Validation, Data Management, Clinical Data Management, Health Information Management, Data Literacy, Medical Records, Metadata Management, Technical Communication, Change Control
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Revenue Management, Vendor Management, Capital Expenditure, Financial Statement Analysis, Advanced Analytics, Hospitality, Hospitality Management, Cost Control, Budget Management, Performance Measurement, Budgeting, Hotel Operations, Financial Analysis, Financial Forecasting, Variance Analysis, Forecasting, Financial Management, Business Relationship Management, Finance, Leadership
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Teaching, Instructional Strategies, Digital pedagogy, Literacy, Oral Expression, digital literacy, Learning Styles, Media and Communications, Multimedia, Higher Education, Cultural Diversity, Writing, Non-Verbal Communication
Mixed · Course · 1 - 4 Weeks