COBOL courses can help you learn programming fundamentals, data processing, file handling, and business application development. You can build skills in debugging, optimizing code, and working with legacy systems. Many courses introduce tools like IBM's Enterprise COBOL and Micro Focus Visual COBOL, that support maintaining and modernizing existing applications in various industries. You'll also explore concepts such as structured programming, report generation, and database integration, all of which are crucial for effective COBOL programming.

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Computational Logic, Data Structures, Diagram Design, Data Store, Dataflow, Functional Design, Program Development, Data Management
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: C++ (Programming Language), Programming Principles, Data Structures, Computer Programming, Code Reusability, Object Oriented Programming (OOP), Game Design, Memory Management
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix Shell, Unix, Git (Version Control System), Unix Commands, Version Control, Bash (Scripting Language), grep, Cloud Hosting, Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, File Management
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: C (Programming Language), Python Programming, Programming Principles, Computer Programming, Unix
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Debugging, z/OS, Job Control Language (JCL), Mainframe Computing, Scripting Languages, Programming Principles, Computer Programming, File I/O, Code Reusability, Data Structures, Command-Line Interface, Data Import/Export, Automation, Data Management, Application Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, System Programming, Mainframe Technologies, Computer Programming, Computational Logic, Programming Principles, Job Control Language (JCL), Program Development, Memory Management
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Databases, Relational Databases, SQL, Database Management Systems, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Software Development Tools, Change Control
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Program Development, Python Programming, Computer Graphics
Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Generative AI, Code Reusability, LLM Application, Matlab, Software Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts, Operating System Administration, Unix, Systems Administration, File Systems, User Provisioning, Midrange Computer, File Management, System Monitoring, Unix Commands, System Configuration, Identity and Access Management, Performance Tuning, Command-Line Interface, Data Storage, Capacity Management
Intermediate · Course · 1 - 3 Months