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.

Skills you'll gain: Network Routing, TCP/IP, Virtual Networking, Google Cloud Platform, Network Infrastructure, Virtual Private Networks (VPN), Network Planning And Design, Cloud Computing, Network Monitoring, Network Security, Cloud Security
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Shell Script, Bash (Scripting Language), Operating System Administration, Linux, File Systems, Operating Systems, Command-Line Interface, Performance Tuning, System Monitoring, System Programming, File Management, OS Process Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Product Strategy, Prompt Engineering Tools, Generative AI, Innovation, New Product Development, Product Development, Responsible AI, Process Development, AI Enablement, Ethical Standards And Conduct, AI Workflows, Project Management
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Data Access, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Video Editing, Post-Production, Media Production
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Embeddings, Data Preprocessing, AI Personalization, Deep Learning, Model Evaluation, Transfer Learning, Model Deployment, Open Source Technology, Data Processing, Machine Learning, Data Cleansing, Data Visualization, Database Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Market Research, Market Analysis, Marketing, Research Methodologies, Research, Research Design, Quantitative Research, Consumer Behaviour, Market Trend, Surveys, Customer Analysis, Qualitative Research, Forecasting, Price Negotiation, Analysis, Product Testing, Data Collection, Sampling (Statistics)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Graphic Design, Collaborative Software, Social Media Content, Social Media, Social Media Marketing, Social Media Strategy, Multimedia, User Accounts
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Script Development, Performance Testing, Test Tools, Test Data, Scripting, Distributed Computing, Software Installation, System Monitoring, Servers
Intermediate · Course · 3 - 6 Months

Duke University
Skills you'll gain: Scalability, Performance Analysis, Simulations, Algorithms, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Architecture, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Digital Marketing Institute
Skills you'll gain: Digital Marketing, Social Media Marketing, Marketing Channel, Digital Media Strategy, Marketing Automation, Marketing Strategy and Techniques, Social Media Strategy, Digital Advertising, Email Marketing, Content Marketing, Search Engine Optimization, Marketing Communications, E-Commerce, Customer Relationship Management (CRM) Software, Demand Generation, Marketing Analytics, Customer Service, Web Applications
Beginner · Course · 1 - 4 Weeks