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.

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Online Advertising, Search Engine Optimization, Marketing, Digital Marketing, Digital Advertising, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, Advertising, Keyword Research, Target Audience, Bidding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Package and Software Management, Linux, Command-Line Interface, Linux Servers, Operating System Administration, Linux Commands, Unix Commands, Bash (Scripting Language), Software Installation, Systems Administration, File Management, Service Management, Authorization (Computing), Shell Script, Operating Systems, Servers, Data Storage, System Monitoring, System Configuration
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Construction Management, Project Controls, Construction, Project Schedules, Cost Estimation, Change Control, Contract Management, Project Management, Timelines, Scheduling, Project Documentation, Project Planning, Safety Assurance, Cost Control, Arbitration
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Identity and Access Management, Azure Active Directory, Microsoft Azure, Network Troubleshooting, Hybrid Cloud Computing, Network Security, Network Administration, Windows PowerShell, Virtual Machines, Infrastructure as Code (IaC), Virtualization, Role-Based Access Control (RBAC), Cloud Security, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Statistical Programming, Equities, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Statistical Analysis, Regression Analysis, Statistical Modeling, R Programming, Predictive Modeling, Mathematical Modeling, Statistical Hypothesis Testing, Data Validation, Probability Distribution, Probability
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, Data Import/Export
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Meeting Facilitation, Virtual Teams, Organizational Skills, Telecommuting, Experience Design, Business Process Management, Virtual Environment
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Process Mapping, Strategic Thinking, Process Analysis, Process Management, Business Workflow Analysis, Operational Efficiency, Business Process Improvement, Process Improvement, Lean Methodologies, Waste Minimization
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Team Building, Team Leadership, Management Training And Development, Teamwork, Trustworthiness, People Management, Collaboration, Meeting Facilitation, Leadership, Cross-Functional Collaboration, Empathy, Conflict Management, Communication Strategies, Goal Setting, Communication, Adaptability
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Video Production, Grammar, Developing Training Materials
Intermediate · Course · 1 - 3 Months