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.

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
★ 4.5 (160) · Advanced · Guided Project · Less Than 2 Hours

New York University
Skills you'll gain: Supervised Learning, Machine Learning Methods, Dimensionality Reduction, Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Decision Tree Learning, Machine Learning, Machine Learning Software, Financial Trading, Financial Market, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Market Data, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks
★ 3.7 (345) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Extract, Transform, Load, Data Modeling, Clinical Data Management, Database Design, Data Mapping, Data Dictionary, Data Quality, Data Transformation, Data Integrity, Data Validation, Data Integration, Health Informatics, Relational Databases, SQL, Query Languages
★ 4.2 (67) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ideation, Market Analysis, Feasibility Studies, Performance Testing, Customer Insights, Good Manufacturing Practices, Supply Management, Process Optimization, Quality Control
★ 4.8 (77) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Database Management, SQL, Database Management Systems, Big Data, Database Systems, Amazon Web Services, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Query Languages, Data Storage Technologies, Cloud Storage, Extract, Transform, Load, Data Import/Export, Performance Tuning, File Systems, File Management
★ 4.7 (299) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Scatter Plots, Histogram, Correlation Analysis, Data Visualization, Data Manipulation, Plot (Graphics), Data Wrangling, Data Import/Export, JSON, Statistical Visualization, Data Cleansing, Data Transformation, Data Visualization Software, Data Preprocessing, Exploratory Data Analysis, Data Analysis, Python Programming
★ 4.7 (30) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Digital Signal Processing, Spatial Data Analysis, Medical Imaging, Mathematical Software, Spatial Analysis, Algorithms
★ 4.8 (58) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, JSON, Data Structures
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Histogram, Plot (Graphics), Data Visualization, Seaborn, Scatter Plots, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Statistical Visualization, Exploratory Data Analysis, Graphing, Python Programming
★ 4.6 (78) · Beginner · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
★ 4.6 (141) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Warehousing, Star Schema, Dashboard Creation, Data Visualization Software, MicroStrategy, Business Intelligence, Data Integration, Data Architecture, Extract, Transform, Load, Data Modeling, Case Studies, Business Intelligence Software, Data Management, PostgreSQL, SQL, Analytical Skills, Query Languages, Data Transformation
★ 4.6 (294) · Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Mobile Development, Android Studio, Android (Operating System), Data Persistence, Application Development, Data Storage Technologies, User Interface (UI) Design, UI Components, Data Storage, User Interface (UI), Application Lifecycle Management, Authorization (Computing), Database Management
★ 4.3 (334) · Intermediate · Course · 1 - 3 Months