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.

Edureka
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Business Intelligence, Data Modeling, Data Storytelling, Extract, Transform, Load, Data Transformation, Data Visualization, Snowflake Schema, Business Analytics, Data Lakes, Data-Driven Decision-Making, Key Performance Indicators (KPIs), Data Analysis, Data Governance, Python Programming, Generative AI, Artificial Intelligence, Data Security
★ 3.9 (9) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, Microsoft Copilot, Generative AI, Training and Development, ChatGPT, Education Software and Technology, Training Programs, AI literacy, Developing Training Materials, AI Integrations, Innovation, Case Studies, Automation, Design Strategies, Program Evaluation
★ 4.3 (12) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Waste Minimization, Environmental Engineering, Sustainable Engineering, Civil Engineering, Environmental Regulations, Sustainable Technologies, Environmental Resource Management, Environmental Laws, Environmental Policy, Transportation Operations, Traffic Flow Optimization, Environmental Monitoring, Estimation, Internet Of Things, Emerging Technologies
★ 4.6 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Azure Synapse Analytics, Performance Tuning, Microsoft Azure, System Monitoring, Data Engineering, Transact-SQL, Continuous Deployment, Star Schema, Power BI, PySpark, Data Cleansing, Data Analysis Expressions (DAX), Apache Spark, Analytics, Data Analysis, SQL, Azure Active Directory, Advanced Analytics, Microsoft Copilot
★ 4.6 (7) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, ChatGPT, Fine-tuning, Keras (Neural Network Library), Model Training, Model Optimization, Applied Machine Learning, Data Preprocessing, Image Analysis, Data Import/Export, Test Data, Machine Learning, Python Programming, Artificial Neural Networks, Deep Learning
★ 4.4 (36) · Intermediate · Guided Project · Less Than 2 Hours

Technical University of Munich (TUM)
Skills you'll gain: Social Impact, Experimentation, Program Evaluation, Community Development, Community Organizing, Community Outreach, Sustainable Development, Systems Thinking, Sustainable Systems, Innovation, Culture, Cultural Diversity, Case Studies, Critical Thinking
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Intrusion Detection and Prevention, Cyber Threat Intelligence, Continuous Monitoring, Threat Detection, Cyber Security Strategy, Security Strategy, Cloud Security, Disaster Recovery, Threat Management, Firewall, Network Security, Cybersecurity, Cloud Services, AI Security, Network Monitoring, Cloud Management
★ 4.4 (98) · Advanced · Specialization · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Curriculum Planning, Classroom Management, Curriculum Development, Instructional and Curriculum Design, Teaching, Instructional Strategies, Student Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, AI Workflows, Artificial Intelligence, LLM Application, Generative AI, Development Environment, Tool Calling, AI literacy, Large Language Modeling, Software Development Tools, Python Programming, Software Installation
★ 4.6 (145) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Growth Mindedness, Time Management, Constructive Feedback, Sales Development, Collaboration, Prioritization, Teamwork, Tenacity, Personal Development, Optimism, Team Collaboration, Stress Management, Persistence, Sales, Salesforce, Software As A Service, Accountability
★ 4.2 (32) · Beginner · Course · 1 - 4 Weeks