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.

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Ggplot2, Data Visualization Software, Plot (Graphics), R Programming, Data Manipulation, Tidyverse (R Package), Data Structures, Data Analysis, Statistical Programming, Integrated Development Environments, Data Import/Export, Software Installation
Beginner · Course

Universitat Autònoma de Barcelona
Skills you'll gain: Student Support and Services, Academic Advising, Education and Training, Training Programs, Student Engagement, Adult Education, Higher Education, Mentorship, Lifelong Learning, Curriculum Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Corporate Communications, Internal Communications, Strategic Communication, Media Relations, Stakeholder Communications, Business Communication, Stakeholder Engagement, Public Relations, Cultural Diversity, Communication Strategies, Business Ethics, Crisis Management, Digital Communications, Drive Engagement, Employee Engagement, Brand Management
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Telecommuting, Virtual Teams, Collaborative Software, Productivity, Team Performance Management, Leadership, Meeting Facilitation, Employee Engagement, Collaboration, Leadership Development, Business Correspondence, People Management, Time Management, Communication, Business Writing, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Responsible AI, Human Centered Design, Human Computer Interaction, Generative AI, Interaction Design, User Interface (UI), Artificial Intelligence, Machine Learning, Deep Learning
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ggplot2, Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Ubuntu, System Configuration
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Digital Communications, Blockchain, Internet Of Things, Generative AI, Communication Systems, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Applications, Google Cloud Platform, Application Design, Application Development, Cloud API, Cloud Storage, Data Storage, Data Store, Node.JS, Transaction Processing, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Javascript, Software Design, Maintainability, Scripting Languages, Application Development, Event-Driven Programming, Prototyping
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Ajax, JSON, JavaScript Frameworks, Javascript, Application Programming Interface (API), Restful API, Web Applications, Real Time Data, Application Security
Intermediate · Course · 1 - 4 Weeks