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 California, Davis
Skills you'll gain: Construction Estimating, Engineering Plans And Specifications, Blueprint Reading, Architectural Drawing, Cost Estimation, Building Information Modeling, Project Estimation, Risk Management, Project Risk Management, Cost Management, Project Controls, Engineering Drawings, Construction Management, Estimation, Bidding, Design Specifications, Construction, Risk Analysis, Presentations, Business Communication
Intermediate · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Immunology, Epidemiology, Infectious Diseases, Public Health, Drug Development, Climate Change Programs, Health Disparities, Clinical Trials, New Product Development, Manufacturing Processes
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Encryption, Public Key Infrastructure, Cryptography, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, Network Security, Blockchain, Authentications, Data Integrity, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Water Quality, Water Sustainability, Water Resource Management, Sustainable Development, Environmental Engineering, Hydrology, Environmental Monitoring, Civil Engineering, Sustainable Design, Human Centered Design, Risk Analysis, Continuous Monitoring, Internet Of Things, Machine Learning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Big Data, Analytical Skills, Data Analysis, Data Preprocessing, Applied Machine Learning, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, Stakeholder Communications, Stakeholder Engagement, Stakeholder Analysis, Leadership, Strategic Communication, Communication, Relationship Building, Prioritization
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Software Engineering, Object Oriented Programming (OOP), Application Design, Web Applications, Software Development Life Cycle, Case Studies, Data Modeling, Systems Development, Software Development, Business Architecture, Business Risk Management, Python Programming, User Centered Design, Software Design, Application Development, Computer Programming, Development Environment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Retail Management, Retail Store Operations, Merchandising, Revenue Management, Customer Analysis, Market Intelligence, Business Strategies, Competitive Analysis, Business Management, Organizational Strategy, Consumer Behaviour, Inventory Management System, Market Analysis, Case Studies, Market Share, Strategic Decision-Making, Sustainable Business, Intellectual Property, Financial Analysis, Geographic Information Systems
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Systems, Torque (Physics), Electronic Components, Electric Power Systems, Electrical Equipment, Basic Electrical Systems, Electrical Engineering, Engineering Calculations, Electronics, Low Voltage, High Voltage, Machine Controls, Semiconductors, Test Equipment, Thermal Management, Mechanics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Code Review, Maintainability, Testability, Software Testing, Debugging, Software Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Problem Solving, Vocabulary, Logical Reasoning, Critical Thinking, Deductive Reasoning, Arithmetic, Data Literacy, Analytical Skills, Complex Problem Solving, Grammar, English Language, Data Analysis, Learning Strategies, Trend Analysis, Applied Mathematics, Data Presentation, Verbal Communication Skills, Analysis, Quantitative Research, Estimation
Beginner · Specialization · 3 - 6 Months