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.

Simplilearn
Skills you'll gain: Keyword Research, Search Engine Marketing, Search Engine Optimization, Web Analytics and SEO, Competitive Analysis, Content Optimization, Digital Marketing Tools, Performance Analysis, Web Analytics, Performance Measurement, Performance Management, Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, DevSecOps, Infrastructure Security, Vulnerability Scanning, Security Testing, Containerization, Vulnerability Management, Hardening, Authentications, Image Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Administration, Role-Based Access Control (RBAC), Data Sharing, User Provisioning, Systems Administration, Security Controls, Data Access, User Accounts, System Configuration, Workflow Management, Data Validation, Identity and Access Management, Information Architecture, Calendar Management, Data Integrity, Data Quality, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Data Infrastructure, Application Deployment, Databases, SQL, Applied Machine Learning, Database Development, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Consumer Behaviour, Advertising, Marketing Psychology, Global Marketing, Persuasive Communication, Marketing Communications, Communication Strategies, Brand Loyalty, Culture, Social Sciences, Branding, Human Learning, Sociology, Strategic Communication, Learning Theory, Decision Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: Vue.JS, JavaScript Frameworks, Front-End Web Development, Web Applications, UI Components, Web Design and Development, Hypertext Markup Language (HTML), Application Programming Interface (API), User Interface (UI), Code Reusability, Event-Driven Programming, Data Validation, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Driving engagement, Loyalty Programs, Cross-Channel Marketing, Drive Engagement, Brand Loyalty, Community Development, Customer Engagement, Personalized Campaigns, Customer Retention, Direct Marketing, Integrated Marketing Communications, Growth Strategies, Content Creation, Multimedia, Content Strategy, Personalized Service, Social Media Campaigns, AI literacy, Strategic Partnership, Storytelling
Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Conflict Management, Negotiation, De-escalation Techniques, Communication Strategies, Active Listening, Interpersonal Communications, Collaboration, Communication, Composure, Empathy, Relationship Management, Professionalism, Lifelong Learning, Rapport Building, Growth Mindedness, Professional Development, Emotional Intelligence, Problem Solving, Non-Verbal Communication, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Appraisal, Performance Management, Constructive Feedback, Employee Performance Management, Performance Review, Performance Measurement, Performance Improvement, Performance Analysis, Organizational Strategy, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Data Analysis Expressions (DAX), Power BI, Microsoft Azure, Microsoft Power Automate/Flow, Dashboard, Dashboard Creation, Workflow Management, Data Integration, Cloud-Based Integration, Data Modeling, Data Synthesis, Business Workflow Analysis, Interactive Data Visualization, Multi-Tenant Cloud Environments, Enterprise Application Management, Data Visualization Software, Postman API Platform, Computing Platforms, Dataflow
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Pipelines, Apache Airflow, MLOps (Machine Learning Operations), Service Level, AI Orchestration, Data Store, Data Transformation, Change Control, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Portfolio Management, Resource Utilization, Workflow Management, Dashboard, Project Management Software, Resource Allocation, Project Planning, Process Design, Project Schedules, Work Breakdown Structure, Program Management, Project Management, Project Coordination, Scheduling, Portfolio Management, Resource Planning, Capacity Management, Dependency Analysis
Beginner · Course · 3 - 6 Months