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 Pennsylvania
Skills you'll gain: Labor Law, Labor Relations, Labor Compliance, Case Studies, Compensation Analysis, Benefits Administration, Regulation and Legal Compliance, Workforce Management, Case Law
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Facebook, Order Management, Order Fulfillment, Marketing, Product Marketing, Sales, Payment Systems, Shipping and Receiving, E-Commerce, Social Media Marketing, Social Media
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Application Security, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Virtual Local Area Network (VLAN), Cloud Security, Wireless Networks, Application Programming Interface (API)
Advanced · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Behavior Management, Psychology, Sociology, Social Sciences, Research, Case Studies
Beginner · Course · 1 - 3 Months

The University of Melbourne
Skills you'll gain: Art History, International Relations, Political Sciences, Culture, Socioeconomics, Ancient History, World History, Social Sciences, Economic Development, Anthropology, Cultural Diversity, Sociology, Economics, Market Dynamics
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Science, Statistical Programming, R Programming, Statistical Machine Learning, Advanced Analytics, Dimensionality Reduction, Statistical Modeling, Statistical Analysis, Statistical Methods, Sampling (Statistics), Regression Analysis, Statistical Inference, Predictive Modeling, Statistics
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Quality, Data Cleansing, Computer Vision, Data Validation, Deep Learning, Image Analysis, Feature Engineering, Data Manipulation, Verification And Validation, Exploratory Data Analysis, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cost Management, Cost Estimation, Project Management, Scope Management, Project Controls, Project Closure, Project Implementation, Requirements Management, Project Schedules, Work Breakdown Structure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Ubuntu, Application Deployment, Unix, Linux, Devops Tools, Virtualization and Virtual Machines, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Virtualization, Network Planning And Design, Network Infrastructure, Software-Defined Networking, Virtual Private Networks (VPN), Virtualization and Virtual Machines, Network Protocols, Cloud Infrastructure, Local Area Networks, Wireless Networks, Wide Area Networks, Virtual Machines, Network Performance Management
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Cognitive flexibility, Diversity Awareness, Diversity and Inclusion, Cultural Diversity, Innovation, Organizational Effectiveness, Organizational Change, Organizational Strategy, Systems Thinking, Leadership
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: User Accounts, Real Time Data, Authentications, Cloud Applications, Application Development, JavaScript Frameworks, Application Security, Web Applications, Data Management, Data Structures, Data Storage, Cloud Security
Intermediate · Course · 1 - 4 Weeks