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.

Scrimba
Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Theoretical Computer Science, Software Development, Computer Programming, Problem Solving, Software Engineering, Data Structures, Computer Science, Javascript, Programming Principles, Web Development, Machine Learning Methods, Data Science, Solution Design
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Business Strategies, Business Strategy, Process Optimization, Program Implementation, Operational Analysis, Strategic Thinking, Performance Metric, Contingency Planning, Business Process Reengineering, Business Planning, Process Improvement, Organizational Strategy, Strategic Decision-Making, Performance Improvement, Operational Performance Management, Process Management, Competitive Analysis, Business Systems, Data Strategy, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Photography, Photo Editing, Post-Production, Photo/Video Production and Technology, Adobe Photoshop, Color Theory, Image Quality, Visual Storytelling, Cinematography, Adobe Creative Cloud, Editing, Control Panels, Creative Design, Adaptability, Planning, Communication Strategies, Interpersonal Communications, Creativity
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Model Training, AI Personalization, AI Integrations, Data Integration, Google Cloud Platform, MLOps (Machine Learning Operations), Data Collection, Data Import/Export, Model Deployment, Model Evaluation, Continuous Monitoring, Application Programming Interface (API)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Generative Engine Optimization (GEO), Content Optimization, Digital Media Strategy, Data-Driven Marketing, Marketing Analytics, Automation, Language Interpretation, Translation, and Studies
Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Amazon Redshift, AWS Identity and Access Management (IAM), AWS SageMaker, Amazon Web Services, AWS Kinesis, Amazon DynamoDB, Identity and Access Management, Amazon S3, Encryption, Data Infrastructure, Data Pipelines, Apache Spark, Dataflow, Big Data, Apache Hive, Data Storage Technologies, Kibana, Data Visualization Software, Data Storage, Data Visualization
Advanced · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Management, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Database Management Systems, Data Maintenance, Microsoft Windows, Database Software, Databases, Data Import/Export, Relational Databases, Query Languages, Database Design, Data Entry, Data Presentation, Productivity Software, Scripting, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Process Mapping, Six Sigma Methodology, Process Improvement and Optimization, Quality Improvement, Root Cause Analysis, Process Improvement, Strategic Leadership, Lean Methodologies, Performance Improvement, Process Development, Business Leadership, Organizational Change, Change Management, Culture Transformation, Descriptive Statistics, Continuous Improvement Process, Process Analysis, Performance Measurement, Strategic Prioritization
Mixed · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Constructive Feedback, Advertising Campaigns, Advertising, Brand Strategy, Project Management, Marketing Effectiveness, Strategic Communication, Branding, Brand Management, Creative Design, Strategic Thinking, Creative Thinking, Strategic Partnership, Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oral Expression, Active Listening, Verbal Communication Skills, Discussion Facilitation, Interviewing Skills, Oral Comprehension, Teamwork, Communication, Communication Strategies, Tactfulness, Social Skills, Interpersonal Communications, Corporate Communications, Collaboration, Business Communication, Professionalism, Rapport Building, Non-Verbal Communication, Job Analysis, Recruitment
Mixed · Course · 1 - 4 Weeks