Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

University of London
Skills you'll gain: Information Technology, Case Studies, Team Leadership, Governance, Resource Allocation, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Reporting, Generally Accepted Accounting Principles (GAAP), Financial Statements, Financial Statement Analysis, Balance Sheet, Income Statement, Cash Flows, Revenue Recognition, Inventory Accounting, Fixed Asset, Depreciation, Accounts Receivable
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Tidyverse (R Package), Data Wrangling, Data Analysis, R Programming, Exploratory Data Analysis, Statistical Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Containerization, Infrastructure Security, Role-Based Access Control (RBAC), Linux Administration, Data Storage Technologies, Systems Architecture, Command-Line Interface, Servers, System Configuration, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Business Modeling, Business Architecture, Entrepreneurship, Storytelling, Design Thinking, Business Strategies, Business Strategy, Innovation, Strategic Thinking, Systems Thinking, Business, Presentations, Media and Communications, Case Studies, Market Opportunities, Value Propositions, Competitive Analysis
Advanced · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: User Story, Agile Software Development, Agile Project Management, Backlogs, Scaled Agile Framework, Agile Methodology, Sprint Retrospectives, Sprint Planning, Change Management, Team Building, Kanban Principles, Project Management, Estimation, Prioritization
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Statistical Modeling, Applied Machine Learning, Unsupervised Learning, Classification And Regression Tree (CART), Data Science, Decision Tree Learning, Statistical Methods, Artificial Neural Networks, Statistical Analysis, Statistical Machine Learning, Regression Analysis, Predictive Modeling, Classification Algorithms, Supervised Learning, R Programming, Machine Learning Algorithms, Dimensionality Reduction, Machine Learning, Random Forest Algorithm
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Control Objectives for Information and Related Technology (COBIT), Performance Management, Governance, Performance Measurement, Process Management, IT Management, Project Implementation, Program Implementation, Enterprise Architecture, Risk Management Framework, Goal Setting, Business Analysis, Business Strategies, Stakeholder Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Architecture, Computer Networking, TCP/IP, Network Protocols, General Networking, Network Infrastructure, Wireless Networks, Network Routing, Local Area Networks, Network Security, Virtual Local Area Network (VLAN), Load Balancing, Wide Area Networks, Cloud Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Management Software, Project Planning, Timelines, Project Management, Workflow Management, Organizational Skills, Collaborative Software, Team Management, Prioritization
Beginner · Guided Project · Less Than 2 Hours