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: React.js, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Web Development, User Experience Design
★ 4.8 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Mobile Development Tools, Data Validation, iOS Development, User Interface and User Experience (UI/UX) Design, Information Architecture, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, UI Components, Interactive Design, Software Design, Interaction Design, Scalability, Usability, Verification And Validation
★ 4.9 (35) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Dataflow, Analytics, Data Science, Databases, Data Integration, SQL, Query Languages, File I/O, Data Architecture, Distributed Computing, Performance Tuning
★ 4.6 (10) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, Applied Machine Learning, R (Software), R Programming, Social Network Analysis, Statistical Methods, Simulations, Network Model, Statistical Analysis, Probability & Statistics, Statistical Programming, Probability Distribution, Sampling (Statistics), Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gemini, LangChain, Google Gemini, Flutter (Software), Generative AI Agents, LLM Application, Generative Model Architectures, AI Workflows, Prompt Patterns, Generative AI, Agentic Workflows, AI Orchestration, AI Integrations, Cross Platform Development, AI literacy, Agentic systems, Application Development, Mobile Development, Mobile Development Tools, Front-End Web Development
★ 4 (12) · Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Dashboard Creation, Splunk, Interactive Data Visualization, Data Mapping, Performance Tuning, Geospatial Information and Technology, Geospatial Mapping, Wireframing, Extensible Markup Language (XML), Prototyping, JSON
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Statistical Programming, Regression Analysis, Logistic Regression, Statistical Methods, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Probability & Statistics, Statistical Hypothesis Testing, Probability Distribution
★ 4.4 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Alteryx, Predictive Modeling, People Analytics, Scripting, R Programming, Predictive Analytics, Data Science, Advanced Analytics, Scripting Languages, R (Software), Trend Analysis, Data Preprocessing, Data Integration, Exploratory Data Analysis, Data Manipulation, Data Visualization Software, Data Analysis, Model Evaluation, Employee Retention, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Trustworthiness, Team Building, Team Management, Team Collaboration, Team Oriented, Team Leadership, Rapport Building, Teamwork, Honesty, Relationship Building, Empathy, Professional Development, People Development, Storytelling, Mindfulness
★ 4.6 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
★ 5 (6) · Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: JSON, Restful API, Javascript, Application Programming Interface (API), Web Services, Hypertext Markup Language (HTML), Front-End Web Development, Data Structures
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Model Deployment, Microsoft Azure, OpenAI API, Large Language Modeling, OpenAI, Application Deployment, Application Development, Application Programming Interface (API)
★ 2.5 (6) · Intermediate · Course · 1 - 4 Weeks