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.

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Timelines, Productivity Software, Project Management Software, Information Architecture, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Data Validation, Simulations, Engineering Analysis, Verification And Validation, Engineering Design Process, Cloud Engineering, Mechanical Engineering, Scientific Visualization, Physics
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Graphic and Visual Design Software, Infographics, Graphic Design, Design, Visualization (Computer Graphics), User Accounts, Google Workspace, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Podcasting, Adobe Express, Media Production, Content Creation, Digital Publishing, Creative Design, Storytelling, Branding, Graphic and Visual Design, Editing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Infographics, Diagram Design, Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Multimedia, Collaborative Software, Developing Training Materials, Data Sharing, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Secure Coding, Brute-force attacks, Cyber Security Assessment, Python Programming, Programming Principles, File I/O, Algorithms, Debugging, Scripting, Data Structures, User Interface (UI), Statistical Programming, UI Components, Application Development, File Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Program Development, Technical Design, Debugging, Problem Solving, Performance Tuning
Intermediate · Course · 3 - 6 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Payment Systems, Distributed Computing, Network Model, Transaction Processing, Data Integrity, Emerging Technologies, Virtual Machines, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Statistical Methods, Advanced Analytics, Statistical Analysis, Correlation Analysis, Data Analysis, Report Writing, Probability & Statistics, Analytical Skills, Data-Driven Decision-Making, Health Information Management and Medical Records, Business Process Automation
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Data Access, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks