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.

Johns Hopkins University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Probability & Statistics, Probability, Statistics, Bayesian Statistics, Statistical Methods, Statistical Modeling, Statistical Analysis, Probability Distribution, Sampling (Statistics), Sample Size Determination, Data Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, Data Presentation, MLOps (Machine Learning Operations), Agentic Workflows, AI Security, A/B Testing, Open Web Application Security Project (OWASP), Software Engineering, Data Ethics, Responsible AI, Technical Communication, Security Testing, Security Requirements Analysis, Agentic systems, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Continuous Integration, Artificial Intelligence and Machine Learning (AI/ML), DevOps, Service Level Agreement, API Design, Performance Measurement, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Salesforce Development, Salesforce, Test Planning, Performance Tuning, Performance Analysis, Performance Measurement, Application Performance Management, Software Testing, Frontend Performance, Process Optimization, UI Components, Performance Improvement, Build Tools, Query Languages, Continuous Integration, Database Management, DevOps
Intermediate · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Prompt Engineering, User Story, New Product Development, Model Based Systems Engineering, Model Evaluation, Failure Analysis, Sustainable Business, Data Mining, Field-Programmable Gate Array (FPGA), Delegation Skills, Real-Time Operating Systems, Object Oriented Design, Sampling (Statistics), Proposal Writing, Supplier Management, Accountability, Data Ethics, Sustainability Reporting, Database Design, Supervised Learning
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: SQL, Stored Procedure, SAS (Software), Data Integrity, Data Manipulation, Query Languages, Relational Databases, Data Transformation, Performance Tuning, Debugging, Data Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Blogs, Content Creation, Content Performance Analysis, Content Strategy, Web Content, Digital Content, Content Marketing, Search Engine Optimization, Web Analytics and SEO, Keyword Research, Google Analytics, Content Management, Marketing Analytics, Brand Strategy, Writing, Data Analysis, Key Performance Indicators (KPIs), Audit Planning, Strategic Decision-Making, Safety Audits
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Retention, Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Data Management, Customer Engagement, Customer Relationship Management, Customer Relationship Building, Customer Analysis, Target Audience, HubSpot CRM, Customer experience strategy (CX), Marketing Automation, Customer Insights, Market Analysis, Email Automation
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Supervised Learning, Unsupervised Learning, MLOps (Machine Learning Operations), Applied Machine Learning, Model Evaluation, AWS SageMaker, Data Preprocessing, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Azure DevOps, Model Deployment, Microsoft Azure, Amazon Web Services, Deep Learning, Data Processing
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Planning, Project Planning, Cross-Functional Team Leadership, Business Planning, Brand Strategy, Operational Excellence, Brand Management, Brand Awareness, Milestones (Project Management), Project Management, Project Controls, Plan Execution, Process Improvement, Continuous Improvement Process, Risk Management, Managed Services, Stakeholder Communications, Time Management, Collaboration, Target Audience
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Prompt Patterns, Prompt Engineering Tools, LLM Application, LangChain, Large Language Modeling, Responsible AI, Generative AI Agents, OpenAI, Generative AI, AI Personalization, Context Management, Natural Language Processing, CI/CD, Python Programming, Pandas (Python Package), Scalability, Application Development, Safety and Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), Web Applications, Web Development, Web Design, Full-Stack Web Development, User Interface (UI), User Centered Design, Email Automation, Hypertext Markup Language (HTML), Server Side, Cascading Style Sheets (CSS), Development Environment
Beginner · Course · 1 - 4 Weeks