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.

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Security Assessment, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Threat Modeling, Information Privacy, Infrastructure Security, Risk Management, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Science, Model Evaluation, Statistical Machine Learning, Dimensionality Reduction, Statistical Modeling, R Programming, Statistical Analysis, Statistical Methods, Regression Analysis, Statistics, Applied Mathematics, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Package and Software Management, Blockchain, Development Environment, Web Development, Programming Principles, Web Servers, Restful API, System Programming, Maintainability, Algorithms, Integrated Development Environments, Software Testing, Unit Testing, Software Design Patterns, Development Testing, Debugging
Beginner · Specialization · 3 - 6 Months

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: Prompt Engineering, AI Personalization, Target Audience, Marketing Materials, ChatGPT, Customer Insights, Generative AI, Marketing Analytics, Email Marketing, Social Media Campaigns, Content Creation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS SageMaker, MLOps (Machine Learning Operations), Feature Engineering, AI Personalization, Model Deployment, Amazon Web Services, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Data Cleansing, Data Processing, Data Wrangling, Data Integrity, Machine Learning, Machine Learning Algorithms, Data Modeling, Supervised Learning, Data Mining, Random Forest Algorithm, Data Management, Unsupervised Learning
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Security Testing, Threat Detection, Exploit development, Git (Version Control System), GitLab, GitHub, Problem Solving
Intermediate · Course · 1 - 4 Weeks

AAPC
Skills you'll gain: Denial Management, Claims Processing, Medical Billing and Coding, Medical Billing, Insurance Policies, Utilization Management, Billing & Invoicing, Insurance, Medicare, Revenue Cycle Management, Medicaid, Healthcare Industry Knowledge, Regulatory Compliance
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Strategic Leadership, Business Leadership, Change Management, Organizational Change, Team Motivation, Leadership, Motivational Skills, Organizational Leadership, Accountability, Visionary, Leadership Development, Workplace inclusivity, Decision Making, Communication, Team Building, AI Enablement, Team Leadership, Leadership and Management, Diversity and Inclusion, Cross-Functional Team Leadership
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Food Safety and Sanitation, Food and Beverage, Legal Risk, Cleanliness, Restaurant Management, Restaurant Operation, Training Programs, Compliance Management, Food Quality Assurance And Control, Regulatory Compliance, Employee Training, Safety Assurance, Health And Safety Standards, Hazard Analysis, Risk Management
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Unix Commands, Command-Line Interface, Unix, Bash (Scripting Language), File Management, Linux Commands, Productivity, Computer Programming
Beginner · Guided Project · Less Than 2 Hours