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.

SkillUp
Skills you'll gain: Group Policy, Dynamic Host Configuration Protocol (DHCP), Azure Active Directory, Active Directory, Windows Servers, Hyper-V, Remote Access Systems, Virtual Private Networks (VPN), Containerization, Microsoft Azure, Kubernetes, Microsoft Windows, Docker (Software), Hybrid Cloud Computing, Virtualization, Virtual Machines, Server Administration, Network Administration, Authentications, Infrastructure As A Service (IaaS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Development, Microsoft Azure, Cloud Applications, Cloud Hosting, Virtual Machines, Virtualization and Virtual Machines, Infrastructure As A Service (IaaS), Virtualization, Linux Servers, Application Deployment, Linux Administration, Linux, Web Applications, Service Management, Node.JS, Javascript, MongoDB
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Statistical Programming, Equities, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, File Management, Data Structures, Computer Programming, Algorithms, Data Management, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Dashboard, Data Analysis, Interactive Data Visualization, Jupyter, HTML and CSS, UI Components, Data Visualization Software, Real Time Data, Pandas (Python Package), Python Programming
Intermediate · Course · 1 - 3 Months
Coursera
Skills you'll gain: React.js, JavaScript Frameworks, Web Applications, UI Components, Application Development, User Interface (UI), Front-End Web Development, Javascript
Beginner · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Data Sharing, Interoperability, Information Architecture, Technical Documentation, Data Management, Data Validation
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: WordPress, Ajax, Development Environment, Content Management Systems, Content Management, Web Development, Data Management, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Information Architecture, Cascading Style Sheets (CSS), Data Security, Data Validation
Intermediate · Specialization · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Dashboard, Tableau Software, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Modeling, Data Storytelling, Data Manipulation, Data Import/Export, Business Intelligence, Data Transformation, Data Integration, Data Analysis
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Strategic Communication, Strategic Planning, Business Planning, Innovation, Telehealth, Organizational Strategy, Design Thinking, Business Strategy, Health Care Administration, Health Care, Business Management, Emerging Technologies, User Centered Design
Beginner · Course · 1 - 4 Weeks