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.

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Object Oriented Programming (OOP)
Advanced · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Data Science, Data Strategy, Internet Of Things, AI Product Strategy, Analytics, Big Data, Data Collection, Artificial Intelligence, Descriptive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Process Optimization, Process Improvement and Optimization, Cloud Computing, Operations, Marketing, Operational Efficiency, Customer Service, User Experience, Prototyping
Mixed · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Systems, Computer Engineering, Distributed Computing, Operating Systems, Performance Tuning, Scalability
Advanced · Course · 3 - 6 Months

Skills you'll gain: AWS Kinesis, Data Engineering, Amazon Redshift, Apache Kafka, Cloud Computing Architecture, Data Lakes, Real Time Data, Amazon Elastic Compute Cloud, Data Management, Apache Hive, Data Visualization Software, Cloud Storage, Amazon S3, Data Integration, Data Architecture, Data Migration, Performance Tuning, Serverless Computing, Database Architecture and Administration, AWS Identity and Access Management (IAM)
Intermediate · Specialization · 3 - 6 Months

Niel Asher Education
Skills you'll gain: Exercise Science, Sports Medicine, Injury Prevention, Athletic Training, Rehabilitation, Kinesiology, Safety Training, Coaching, Adaptive Equipment
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: AI Security, Mobile Security, Model Deployment, Mobile Development, Continuous Monitoring, Application Security, Threat Modeling, Apple iOS, Security Requirements Analysis, System Monitoring, Encryption, Threat Management, Security Management, Information Privacy, Program Implementation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Empathy, Business Leadership, Diversity and Inclusion, Interpersonal Communications, Leadership, Leadership and Management, Business Transformation, Strategic Leadership, Emotional Intelligence, Communication Strategies, Organizational Leadership, Non-Verbal Communication, Team Management, Team Performance Management, Innovation, People Management, Organizational Change, Communication, Sales, Marketing Strategies
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Vibe coding, Generative AI Agents, AI Workflows, Agentic systems, Email Automation, AI Orchestration, Search Engine Optimization, Inside Sales, Web Analytics, Prompt Engineering, Development Environment, Application Deployment, Front-End Web Development, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Deep Learning, Transfer Learning, Artificial Neural Networks, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Image Analysis, Classification And Regression Tree (CART), Regression Analysis, Network Architecture, Natural Language Processing, Machine Learning, Model Evaluation
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Systems Architecture, Functional Design, System Design and Implementation, Requirements Analysis, Requirements Elicitation, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Data Storytelling, Content Performance Analysis, Web Analytics and SEO, Data Validation, Stakeholder Engagement, Statistical Modeling, Search Engine Optimization, Marketing Analytics, Web Analytics, Marketing Automation, Data Visualization, Customer Insights, Data-Driven Decision-Making, Campaign Management, Key Performance Indicators (KPIs), Predictive Analytics, Performance Measurement, Return On Investment, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Model Deployment, Convolutional Neural Networks, Classification Algorithms, Data Analysis, Image Analysis, Model Evaluation, Transfer Learning, Data Ethics, Machine Learning, Tensorflow, Data Processing, Data Pipelines, Data Transformation, Data Preprocessing, Machine Learning Software, Distributed Computing, Information Privacy, Supervised Learning, Virtual Machines
Intermediate · Professional Certificate · 3 - 6 Months