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.

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Security Awareness, Cybersecurity, Configuration Management, Package and Software Management, Web Applications, Web Development Tools
★ 4.5 (25) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Robotics, Control Systems, Machine Controls, Electronic Systems, Industrial Engineering, Computer Systems, Internet Of Things, Engineering, Scientific, and Technical Instruments, Automation, Vibrations, C (Programming Language), Power Electronics, Peripheral Devices, Electronics, Wireless Networks, Medical Devices, Electric Power Systems, Electrical Systems
★ 4.4 (17) · Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
★ 4.5 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Kubernetes, Cloud Applications, Cloud Deployment, Operational Databases, Google Cloud Platform, Cloud Management, Database Application, Databases, Cloud-Native Computing, Containerization, Data Access, PostgreSQL, SQL
★ 5 (12) · Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Data Ethics, Customer Analysis, AI literacy, Artificial Intelligence, Application Programming Interface (API), AI Integrations, Software Design Patterns, Software Design, Data Security
Advanced · Specialization · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data-Driven Decision-Making, Looker (Software), Data Storytelling, Data Presentation, Big Data, Data Analysis, Interactive Data Visualization, Google Cloud Platform, Analytics, Business Intelligence, Cloud Storage, Data Storage, Data Visualization Software, Dashboard Creation, SQL, Data Sharing, Data Processing, Data Warehousing, Query Languages
★ 4.6 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Continuous Delivery, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Computing Architecture, API Design, Web Applications, Web Development, .NET Framework, Microservices
★ 4.9 (165) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Functional Testing, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Web Development Tools, Javascript and jQuery, Automation, Python Programming, UI Components, Hypertext Markup Language (HTML), File I/O
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Deployment, Snowflake Schema, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Model Training, MLOps (Machine Learning Operations), Machine Learning, Predictive Modeling, Data Pipelines, Data Transformation, Data Science, Python Programming, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Hardening, Linux Administration, System Monitoring, Linux Commands, Performance Tuning, Linux, Systems Administration, File Management, Network Troubleshooting, Command-Line Interface, Hardware Troubleshooting, Memory Management, Debugging, Service Management, User Accounts, OS Process Management
★ 4.5 (6) · Advanced · Course · 1 - 4 Weeks