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.

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, JUnit, Test Data, Unit Testing, Test Case, Regression Testing, Web Development Tools, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Computer Programming
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Prompt Engineering, ChatGPT, Data Validation, LLM Application, AI Product Strategy, Data Analysis, Applied Machine Learning, OpenAI, Data-Driven Decision-Making, Analytical Skills, Exploratory Data Analysis, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Threat Intelligence, Mobile Security, Security Testing, Brute-force attacks, Vulnerability Scanning, Network Security, Operating Systems, Encryption
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Oracle Cloud, Large Language Modeling, AI Enablement, Artificial Intelligence, Supervised Learning, Prompt Engineering, Deep Learning, Machine Learning, Artificial Neural Networks, Unsupervised Learning, Computer Vision, Natural Language Processing, Recurrent Neural Networks (RNNs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Trials, Clinical Research, Drug Development, Patient Evaluation, Pharmaceutical Terminology, Clinical Assessment, Quantitative Research, Data Literacy, Patient-centered Care, Statistical Methods, Data Science, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Business Analytics, Business Analysis, Business Strategy, Accounting, Organizational Structure, Organizational Strategy, Strategic Communication, Business Communication, Marketing, Financial Accounting, Marketing Strategies, Innovation, Product Lifecycle Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Marketing Effectiveness, Marketing Analytics, Market Analysis, Advertising Campaigns, Marketing Strategies, Performance Reporting, Return On Investment, Performance Measurement, Data Visualization Software, Data Ethics, Marketing Channel, Smart Goals, Key Performance Indicators (KPIs), Cross-Channel Marketing, Data Access, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Traffic Flow Optimization, Construction Inspection, Building Codes, Construction Engineering, Construction, Construction Management, Civil Engineering, Stormwater Management, Civil and Architectural Engineering, Structural Engineering, Hydrology, Engineering Practices, Hydraulics, Structural Analysis, Materials science, Engineering Plans And Specifications, Laboratory Testing, Engineering Software, Engineering Design Process, Plant Operations and Management
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Hardware Architecture, Data Structures, Debugging, Performance Tuning, Integrated Development Environments, Verification And Validation
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Life Sciences, Biology, Environmental Resource Management, Natural Resource Management, Sustainable Development
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Unit Testing, Cloud Deployment, Python Programming, Object Oriented Programming (OOP), Cloud Applications, Serverless Computing, Cloud Computing, Microsoft Azure, Algorithms, Software Documentation, Object Oriented Design, Maintainability, Code Review, Program Development, Software Development, Software Design
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management (CRM) Software, Small Business Accounting, Bookkeeping, Accounting, Payroll Systems, Cloud Security
Beginner · Guided Project · Less Than 2 Hours