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.

Skills you'll gain: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Ajax, Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Web Components, UI Components, Web Development, Front-End Web Development, Mobile Development, JavaScript Frameworks, Test Case
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Bitbucket, Version Control, Software Versioning, GitLab, Software Configuration Management, Collaborative Software, Integrated Development Environments, Software Development, Code Review, IntelliJ IDEA, Eclipse (Software), Application Lifecycle Management, Linux, Command-Line Interface
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Media Relations, Internal Communications, Crisis Management, Strategic Communication, Communication Planning, Public Relations, Communication Strategies, Stakeholder Communications, AI Enablement, Real Time Data
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Qualitative Research, Interviewing Skills, Research Methodologies, Case Studies, Data Collection, Research, Analytical Skills, Psychology
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Computer Graphics, Machine Learning Methods, Artificial Intelligence, Data Ethics, Microsoft Excel, Generative AI, Linear Algebra, Feature Engineering, Digital Signal Processing
Build toward a degree
Beginner · Course

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Software Architecture, Testability
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Workforce Management, People Analytics, Big Data, HR Tech, Workforce Planning, Data Mining, Data-Driven Decision-Making, Human Resource Strategy, Deep Learning, Human Resources Management and Planning, Digital Transformation, Human Resources, Ggplot2, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: R Programming, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Google Ads, Online Advertising, Pay Per Click Advertising, Paid media, Keyword Research, Marketing Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cost Management, Cost Estimation, Project Management, Scope Management, Project Controls, Project Closure, Project Implementation, Requirements Management, Project Schedules, Work Breakdown Structure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, R Programming, Statistical Reporting, Data Quality, Data Preprocessing, Statistics, Statistical Methods, Data Manipulation, Data Analysis Software, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours