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.

Lund University
Skills you'll gain: Radiation Therapy, electromagnetics, High Voltage, Medical Devices, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Electronics, Electronics Engineering, Medical Equipment and Technology, Physics, Equipment Design, Electrical Power, Materials science, Simulation and Simulation Software, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Sheets, Collaborative Software, Productivity Software, Organizational Skills, Spreadsheet Software, Project Management Software, Project Coordination, Small Business Accounting, Data Management, Project Management, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Teaching, Student Support and Services, Data Collection, Instructional Strategies, Education Software and Technology, Student Engagement, Classroom Management, Interactive Learning, Curriculum Planning, K-12 pedagogy, Social Studies
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, Agentic systems, AI Workflows, OpenAI API, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI, Large Language Modeling, AI Enablement, Retrieval-Augmented Generation, Artificial Intelligence, Semantic Web, Development Environment, Tool Calling, Microsoft Azure, AI Personalization, Microsoft Development Tools
Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Regression Analysis, Actuarial Science, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Risk Modeling, Financial Systems, Mathematical Modeling, Numerical Analysis, Applied Mathematics, Python Programming, Process Optimization, Probability Distribution, Algorithms, Case Studies
Intermediate · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Software Architecture, Engineering Management, Goal Setting, Systems Design, Technical Management, Smart Goals, API Design, Technical Product Management, Cross-Functional Collaboration, Recruitment, Program Management, Team Performance Management, Technical Communication, Management Training And Development, Software Engineering, Microservices, Employee Coaching, Talent Management, Leadership and Management, Talent Acquisition
Beginner · Specialization · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Consolidation, Microsoft Excel, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Pivot Tables And Charts, Data Validation, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Google Gemini, Software Design Patterns, Object Oriented Design, Software Testing, Test Tools, GitLab, Responsible AI, Infrastructure as Code (IaC), Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, GitHub, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Management, Financial Market, Financial Modeling, Investments, Correlation Analysis, Market Data, Return On Investment, Analysis, Statistics
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Data Science, R Programming, Data Modeling, Statistical Analysis, Predictive Modeling, Mathematical Modeling, Probability & Statistics, Model Evaluation, Feature Engineering
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Revenue Forecasting, Financial Modeling, Financial Forecasting, Real Estate, Forecasting, Cash Flow Forecasting, Commercial Real Estate, Risk Management, Property and Real Estate, Investment Management, Portfolio Management, Risk Analysis, Investments, Financial Analysis
Beginner · Course · 1 - 4 Weeks