Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Dataflow, Data Persistence, SQL, Application Development, Command-Line Interface, Application Deployment, Databases, Data Structures, Application Programming Interface (API), Program Development, Object Oriented Programming (OOP), Computer Programming, Memory Management, Mitigation, Data Integrity
★ 4.9 (8) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Programming Principles, Data Structures, Data Management, Integrated Development Environments, Software Installation
★ 4.6 (263) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Secure Coding, Algorithms, Python Programming, Java Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Unix
★ 4.5 (259) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Eclipse (Software), File I/O, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Verification And Validation, Automation, UI Components, Memory Management, Data Structures
★ 4.7 (9) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Memory Management, Programming Principles, Software Visualization, Program Development, Theoretical Computer Science, Semantic Web, Computer Programming Tools, Integrated Development Environments, Virtual Machines, Code Review, Front-End Web Development, Software Development Tools, Java Programming, Development Environment, Debugging, Data Structures, Verification And Validation, Program Standards, Programmable Logic Controllers, Java
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Data Persistence, Software Design Patterns, Maintainability, Memory Management, Programming Principles, Code Reusability, Computer Programming, Oracle Databases, API Design, Software Design, Data Modeling, Data Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Virtual Machines, Memory Management
★ 4.7 (538) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Program Development, Computer Programming Tools, Integrated Development Environments, Virtual Machines, Development Environment, Language Learning, Java Programming, Java, Identity and Access Management, Program Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java, Integrated Development Environments, Object Oriented Design, Java Programming, Development Environment, Maintainability, Computer Programming Tools, Software Development Tools, Software Design, Data Structures, Program Development, Data Persistence, Debugging, Memory Management, Code Reusability, Programming Principles, File Management, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Oracle SQL Developer, Code Reusability, Oracle Databases, Memory Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, File I/O, Object Oriented Design, Java, Development Environment, Computer Programming, Programming Principles, Data Persistence, Integrated Development Environments, Memory Management, Debugging, Application Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Data Structures, Memory Management
Beginner · Course · 1 - 3 Months