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: Dashboard, Data Warehousing, Extract, Transform, Load, Data Storytelling, SQL, Data Visualization, Database Design, Data Security, Data Migration, Data Governance, Descriptive Statistics, IBM DB2, Cloud Storage, Data Management, Relational Databases, Databases, Data Architecture, Exploratory Data Analysis, Excel Formulas, Business Intelligence
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design, Computer Programming, Application Frameworks, Data Structures, Virtual Machines, Web Development, Data Persistence, Debugging, Package and Software Management, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, A/B Testing, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Interviewing Skills, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, HTML and CSS, Git (Version Control System), API Testing, GitHub, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), React.js, Mobile Development, SQL, Database Design, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Restful API, Shell Script, Git (Version Control System), GitHub, Software Design, Flask (Web Framework), Version Control, File Management, Linux, Software Development Methodologies, Software Design Patterns, Application Deployment, Data Import/Export, Programming Principles, Web Scraping, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Program Development, Programming Principles, Python Programming, Computer Programming, Computational Thinking, Problem Management, Data Structures, Integrated Development Environments, Debugging, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Performance Measurement, Search Engine Marketing, Performance Analysis, Content Performance Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Web Analytics and SEO, Business Metrics, Marketing Strategy and Techniques, Digital Marketing, Customer Engagement, Keyword Research, Marketing Planning, Customer experience strategy (CX), Digital Advertising, Marketing, E-Commerce, Marketing Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Identity and Access Management, Kubernetes, Google Cloud Platform, Prompt Engineering, Application Deployment, Cloud Storage, Containerization, Infrastructure As A Service (IaaS), Cloud Computing, CI/CD, Cloud-Native Computing, Terraform, Cloud Applications, Cloud Computing Architecture, Cloud Security, Cloud Management, Cloud Services, Load Balancing, Network Planning And Design
Intermediate · Professional Certificate · 3 - 6 Months

Logical Operations
Skills you'll gain: Data Cleansing, Data Preprocessing, Unit Testing, Package and Software Management, Python Programming, Data Science, Computer Programming, Debugging, Scripting, Machine Learning, Software Development, Database Application, Object Oriented Programming (OOP), Regression Analysis, Programming Principles, Scripting Languages, Databases, Object Oriented Design, Relational Databases, User Interface (UI) Design
Mixed · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Excel Formulas, Dashboard, Microsoft Excel, Spreadsheet Software, Excel Macros, Data Preprocessing, Data Literacy, Data Validation, Data Manipulation, Data Presentation, Data Storytelling, Data Analysis Software, Microsoft Office, Data Analysis Expressions (DAX), Business Analytics, Pivot Tables And Charts, Data Modeling, Financial Forecasting, Analytical Skills, Advanced Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Design, SQL, IBM DB2, Database Management, Relational Databases, Databases, Unit Testing, Stored Procedure, Data Import/Export, SQL Server Integration Services (SSIS), Programming Principles, PostgreSQL, MySQL, Query Languages, File I/O, Python Programming, Data Transformation, Package and Software Management
Beginner · Specialization · 3 - 6 Months