Object Oriented Programming courses can help you learn core concepts like classes, objects, inheritance, and polymorphism. You can build skills in designing robust software architectures, implementing design patterns, and writing reusable code. Many courses introduce tools such as Java, Python, and C++, which are commonly used in software development, enabling you to apply your knowledge in practical coding projects. Additionally, you may explore frameworks that enhance object-oriented principles, further enriching your programming toolkit.

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (22) · Intermediate · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Data Manipulation, Statistical Visualization, Data Wrangling, Data Science, Package and Software Management, Exploratory Data Analysis, Python Programming
★ 4.6 (79) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Thinking, UI Components, Software Design, Code Reusability, Usability, Event-Driven Programming, Maintainability, Integrated Development Environments, Application Design, Payment Systems, Interactive Design, MySQL, Jupyter, Database Application, Development Environment, Property Management Systems, Python Programming
★ 4.4 (17) · Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Autoencoders, Recurrent Neural Networks (RNNs), Image Analysis, Embeddings, Model Deployment, Applied Machine Learning, Artificial Neural Networks, Health Informatics, Machine Learning, Medical Science and Research, Unsupervised Learning, Dimensionality Reduction
★ 3.9 (15) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Natural Language Processing, Generative Adversarial Networks (GANs), Vision Transformer (ViT), Deep Learning, Generative Model Architectures, Graph Theory, Dimensionality Reduction, Network Model, Unsupervised Learning, Model Optimization, Embeddings, Artificial Neural Networks, Machine Learning Methods, Supervised Learning, Model Evaluation, Model Training, Model Deployment, Flask (Web Framework)
★ 4.5 (32) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apple iOS, iOS Development, Transaction Processing, Mobile Development, Knowledge of Apple Software, User Interface (UI), User Interface and User Experience (UI/UX) Design, Payment Systems, User Experience
★ 4.7 (88) · Advanced · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Responsible AI, Data Ethics, MLOps (Machine Learning Operations), Model Deployment, Model Optimization, Business Operations, Machine Learning, Ethical Standards And Conduct, Operational Performance Management, Applied Machine Learning, Business Strategy, Risk Mitigation, Systems Integration, Stakeholder Communications
★ 4.4 (53) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Frontend Integration, Transaction Processing, Event-Driven Programming, Front-End Web Development, JavaScript Frameworks, Event Monitoring, Development Environment, Web Development, Web Applications, Program Development, Secure Coding, Web Development Tools, React.js, Emerging Technologies, Application Development, Javascript
★ 4.8 (78) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Box Plots, Plot (Graphics), Data Visualization, Ggplot2, Data Visualization Software, Statistical Visualization, Scatter Plots, Histogram, Data Analysis, Graphing, Python Programming
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), HTML and CSS, Web Development, Typography
★ 4.7 (42) · Intermediate · Guided Project · Less Than 2 Hours

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Investments, Performance Analysis, Risk Modeling, R Programming, R (Software), Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Market Data, Financial Modeling, Financial Forecasting, Financial Data, Statistical Programming, Risk Management, Correlation Analysis, Regression Analysis, Data Manipulation
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
★ 4.5 (26) · Intermediate · Guided Project · Less Than 2 Hours