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.

Coursera
Skills you'll gain: Canva (Software), Graphical Tools, Graphic Design, Graphic and Visual Design, Design, Data Sharing, Design Software, Content Creation, User Accounts, Social Media, Marketing
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Development, Marketing Strategies, Shipping and Receiving, Information Architecture, Customer Relationship Management (CRM) Software, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Interactive Data Visualization, Histogram, Data Transformation, Data Processing, Apache Kafka, JSON, MySQL, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Data Pipelines, AWS SageMaker, Real Time Data, Amazon CloudWatch, AWS Identity and Access Management (IAM), Cloud Storage, Apache Spark, Dashboard, Amazon Web Services, Apache Hive, Interactive Data Visualization, Apache Hadoop, Data Visualization Software, Data Processing, Extract, Transform, Load, Data Storage, Database Management Systems
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Marketing Materials, Marketing Strategy and Techniques, Graphic Design, Branding, Color Theory, Product Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Social Media Content, LinkedIn, Social Media, Facebook, Content Creation, Social Media Management, Social Media Marketing, User Accounts, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Back-End Web Development, Google Cloud Platform, MongoDB, User Interface (UI), Restful API, Application Programming Interface (API), API Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Artificial Intelligence, Image Analysis, AWS SageMaker, Responsible AI, Natural Language Processing, Generative AI, Machine Learning, Prompt Engineering, Amazon Web Services, Model Deployment, OpenAI, Amazon Bedrock, Robotic Process Automation, Cloud Deployment, Customer experience improvement, ChatGPT, Data Science, Machine Learning Methods
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Application Deployment, Dashboard, Salesforce, Data Access, Statistical Reporting, Pivot Tables And Charts, Build Tools, Customer Relationship Management (CRM) Software, Change Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Anthropic Claude, Generative AI, Artificial Intelligence, Application Development, Application Programming Interface (API), Authentications, Context Management, User Interface and User Experience (UI/UX) Design, Content Creation, Customer Service
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Database Design, Data Warehousing, Data Transformation, Data Integration
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Typography, Web Design, Maintainability, Debugging, User Interface (UI), Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks