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.

Coursera
Skills you'll gain: Strategic Decision-Making, Business Acumen, Competitive Analysis, Sales Strategy, Strategic Thinking, Business Strategy, Market Trend, Market Analysis, Business Marketing, Financial Acumen, Strategic Marketing, Market Intelligence, Trend Analysis, Leadership, Business, Business Management, Financial Analysis, Marketing Strategies, Business Metrics, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Governance, Data Ethics, Incident Response, Data Security, Accountability, Compliance Management, Data Processing, Data Sharing, Data Access, Regulatory Requirements, Compliance Reporting, Informed Consent
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Network Analysis, Social Network Analysis, Data Visualization, Scientific Visualization, Graph Theory, Exploratory Data Analysis, Environmental Science, Data Analysis, R Programming, Data Science, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Advocacy, Surveys
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Test Script Development, Brute-force attacks, Cloud Security, Network Analysis, API Testing, General Data Protection Regulation (GDPR), Wireless Networks, Security Controls
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Environmental Policy, Energy and Utilities, Climate Change Mitigation, Environment, Political Sciences, Public Policies, International Relations, Policy Analysis, Climate Change Adaptation, Sustainable Technologies, Environmental Science, Forecasting, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Software Documentation, Application Performance Management, Microservices
Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: Spreadsheet Software, Applied Machine Learning, Exploratory Data Analysis, Analysis, System Design and Implementation, Solution Design, Model Evaluation, Machine Learning Algorithms, Algorithms, Business Metrics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Tensorflow, Analytics, Keras (Neural Network Library), Data-Driven Decision-Making, Applied Machine Learning, Classification And Regression Tree (CART), Business Analytics, Deep Learning, Machine Learning, Risking, Model Evaluation, Mortgage Loans, Consumer Lending
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: HVAC, Building Services Engineering, Thermal Management, Energy and Utilities, System Requirements, Control Systems, Safety Standards, Mechanical Engineering, Environmental Monitoring, System Monitoring, Sustainability Standards
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Data Analysis, Decision Making, Business Modeling, Trend Analysis, Process Optimization, Simulation and Simulation Software, Market Analysis, Microsoft Excel, Unsupervised Learning
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Physics, electromagnetics, Materials science, Mechanics, Physical Science, Vibrations, Trigonometry, Mathematical Modeling, Advanced Mathematics, Linear Algebra, Engineering Analysis, Differential Equations, Applied Mathematics, Problem Solving
Intermediate · Course · 1 - 4 Weeks