Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Digital Communications, Telecommunications, Digital Signal Processing, Electronic Components, Hardware Troubleshooting, Computer Hardware, Network Analysis
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Digital Transformation, Talent Management, Human Capital, Technology Strategies, Cybersecurity, Administration, Project Design, Data Governance, Policy Development, Data Integration, Public Administration, Cyber Security Strategy, Governance, Program Evaluation, Continuous Monitoring, Strategic Planning, Process Improvement, Key Performance Indicators (KPIs), Data Management, Regulation and Legal Compliance
★ 4.9 (29) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, A/B Testing, Classification And Regression Tree (CART), Dashboard, Dashboard Creation, Model Evaluation, Model Deployment, Data-Driven Decision-Making, Risk Analysis, Histogram, Statistical Inference, Descriptive Analytics, Simulations, Predictive Modeling, Regression Analysis, Data Visualization, MLOps (Machine Learning Operations), Decision Making, Decision Tree Learning, Keras (Neural Network Library)
★ 2.8 (6) · Intermediate · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Keyword Research, Search Engine Optimization, Content Creation, Competitive Analysis, Web Analytics and SEO, Data Ethics, Search Engine Marketing, ChatGPT, Content Performance Analysis, Artificial Intelligence, Marketing, Marketing Materials, Business Strategy, Digital Marketing, Marketing Strategy and Techniques, Digital Media Strategy, Content Marketing, Market Research, Business Ethics, Product Strategy
★ 4.5 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pinterest, Social Media Marketing, Social Media, Social Media Strategy, Social Media Campaigns, Social Media Analytics, Social Media Management, Storytelling, Marketing Strategies, Data-Driven Marketing, Content Creation, Marketing Planning, Digital Brand Strategy, Advertising Campaigns, Content Performance Analysis, Instagram, Digital Marketing Campaigns, Digital Marketing, Marketing Analytics, Social Media Content
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Vulnerability Assessments, Network Infrastructure, Virtual Networking, Security Controls, Cloud Security, Vulnerability Management, Endpoint Security, Network Planning And Design, Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
★ 4 (7) · Intermediate · Course · 1 - 4 Weeks

★ 5 (9) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Content Scheduling, Driving engagement, Hootsuite, Social Media Content, Social Media Marketing, Content Optimization, Social Media Analytics, Content Development and Management, Digital Marketing Tools, Web Analytics, Content Strategy, Performance Improvement, Web Analytics and SEO, Data Import/Export, Market Analysis, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Service Recovery, De-escalation Techniques, Greeting Customers, Customer Complaint Resolution, Customer Service, Conflict Management, Guest Relations, Hospitality Services, Hospitality and Food Services, Hospitality, Professionalism, Teamwork, Coordination, Customer experience improvement, Collaboration, Verbal Communication Skills, Communication, Empathy, Active Listening
★ 5 (7) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Convolutional Neural Networks, Tensorflow, Deep Learning, Transfer Learning, Artificial Neural Networks, Image Analysis, Fine-tuning, Model Optimization, Model Training, Computer Vision, Classification Algorithms, Data Preprocessing, Network Architecture, Data Processing, Design
★ 5 (18) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Team Building, Generative AI, Team Oriented, Customer experience improvement, Automation, Data Ethics, Business Process Automation, Customer Engagement, Customer Service, AI Enablement, Cross-Functional Collaboration, Business Ethics, Information Privacy
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Pipelines, Data Integrity, Data Storage
★ 4.7 (13) · Advanced · Course · 1 - 3 Months