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.

Coursera
Skills you'll gain: Content Scheduling, Social Media Management, Social Media Content, Social Media, Social Media Marketing, Marketing Automation, Automation, Account Management, Advertising, Marketing, Branding
★ 4.4 (27) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Cleansing, Data Modeling, Data Transformation, Health Systems, Data Warehousing, Star Schema, Data Analysis, Analytics, Interoperability, Relational Databases
★ 4.5 (58) · Intermediate · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: International Relations, Diplomacy, World History, Social Studies, Political Sciences, Public Policies, International Finance, Economics, Policy, and Social Studies, Climate Change Programs, Public Health, Economic Development, Governance, Policy Development, Social Sciences, Environmental Issue, Policy Analysis, Research, and Development, Policy Analysis, Economics, Decision Making, Strategic Thinking
★ 4.4 (16) · Beginner · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Patient Communication, Patient-centered Care, Nutrition Education, Nutrition and Diet, Basic Patient Care, Patient Education And Counseling, Vital Signs, Direct Patient Care, Medical Assistance, Patient Education and Support, Clinical Nutrition, Health Assessment, Patient Observation, Health And Wellness Coaching, Medical History Documentation
★ 5 (14) · Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Overcoming Objections, Closing (Sales), Selling Techniques, Consultative Selling, Sales Presentation, Sales, General Sales Practices, Sales Process, Sales Presentations, Sales Strategy, Solution Selling, Sales Prospecting, Customer Relationship Building, Prospecting and Qualification, Rapport Building, Customer Retention, Negotiation, Return On Investment
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Education Software and Technology, End User Training and Support
★ 4.8 (25) · Beginner · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Intrusion Detection and Prevention, Threat Management, Incident Response, Event Monitoring, Computer Security Incident Management, Malware Protection, Network Analysis, Anomaly Detection, Network Security, Network Monitoring, Network Protocols, SQL
★ 4.9 (36) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Shell Script, Command-Line Interface, Software Configuration Management, Bash (Scripting Language), Devops Tools, Software Installation, Configuration Management, Collaborative Software, Code Review, File Systems, Development Environment, Web Presence, Software Documentation
★ 4.5 (35) · Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Cyber Governance, Security Management, Cybersecurity, Governance, Leadership Studies, Cyber Security Strategy, Information Assurance, Leadership, Change Management, Governance Risk Management and Compliance, Organizational Change
★ 4.4 (91) · Beginner · Course · 1 - 4 Weeks

Lecturio
Skills you'll gain: Electocardiography, Cardiac Dysrhythmia, Electrophysiology, Cardiology, Clinical Nursing, Critical Care
★ 4.9 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, React.js, Application Frameworks
★ 4.4 (105) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Network Support, Network Protocols, Security Software, Cybersecurity, Encryption, Security Awareness, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, System Software, Authentications, Database Management
★ 4.5 (12) · Beginner · Specialization · 1 - 3 Months