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: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Virtual Networking, Border Gateway Protocol, Network Security, Enterprise Architecture, Virtualization, Network Architecture, Network Routing, Wireless Networks, Network Planning And Design, Network Administration, Infrastructure Security, Virtual Private Networks (VPN), Ansible, Firewall, Network Infrastructure
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Lean Manufacturing, Kaizen Methodology, Statistical Analysis, Process Improvement, Process Capability, Quality Management, Project Management, Root Cause Analysis, Customer Analysis, Regression Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Matplotlib, Data Manipulation, Pandas (Python Package), Data Visualization, Data Persistence, NumPy, Data Processing, Scripting, Object Oriented Programming (OOP), Python Programming, Query Languages, Database Application, Databases, Relational Databases, Object Oriented Design, Data Import/Export, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: English Language, Verbal Communication Skills, Language Learning, Interpersonal Communications, Social Skills, Vocabulary, Professional Development, Communication, Personal Development, Grammar, Self-Awareness
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Threat Modeling, Incident Response, Cyber Governance, Cyber Security Strategy, Threat Management, Cyber Risk, Cybersecurity, Cyber Attacks, Cyber Security Policies, Cyber Security Assessment, Cyber Threat Intelligence, Threat Detection, Leadership, Compliance Management, Leadership and Management, Governance, Risk Management, ISO/IEC 27001, NIST 800-53, Resilience
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Business Process Improvement, Process Optimization, Quality Assurance, Digital Transformation
Intermediate · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Web Content
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, JavaScript Frameworks, Javascript and jQuery, Web Development Tools, Javascript, Software Design Patterns, Web Development, Application Development, Mobile Development
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Product Lifecycle Management, Product Planning, Product Strategy, Product Management, AI Product Strategy, Product Roadmaps, Process Management, Strategic Planning, Business Strategy, Technology Strategies, Innovation, Project Implementation, Change Management, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Positivity, Resilience, Mindfulness, Growth Mindedness, Empowerment, Persistence, Personal Development, Goal Setting, Self-Motivation, Courage, Self-Awareness, Visionary, Creative Thinking, Action Oriented, Journals
Beginner · Course · 1 - 4 Weeks