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.

Coursera
Skills you'll gain: Data Cleansing, Data Manipulation, Data Integration, R Programming, Tidyverse (R Package), Data Transformation, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

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

University of Maryland, College Park
Skills you'll gain: Smart Goals, Emotional Intelligence, Positivity, Personal Development, Empathy, Social Skills, Self-Awareness, Professional Development, Resilience, Conflict Management, Team Building, Stress Management, Team Motivation, Psychology, Leadership, Team Management, Team Leadership, Decision Making
Beginner · Course · 1 - 3 Months

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

Universidad de los Andes
Skills you'll gain: Public Cloud, Big Data, Apache Hadoop, Apache Spark, Data Architecture, Cloud Services, Data Processing, Distributed Computing, Cloud Computing, Scalability, NoSQL, File Systems, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Performance Management, Prometheus (Software), System Monitoring, Grafana, Performance Tuning, Event Monitoring, Performance Testing, Performance Management, Server Administration, Web Analytics and SEO, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Network Security, Information Systems Security, Key Management, Encryption, Data Integrity, Distributed Computing, Transaction Processing, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Data Pipelines, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Query Languages, Data Processing, NoSQL, MongoDB, SQL, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), JavaScript Frameworks, Front-End Web Development, Unit Testing, UI Components, Event-Driven Programming, Javascript, User Interface (UI), Software Testing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Software Design Patterns, Data Management, Data Structures, Prototyping, Web Development, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Data Literacy, Sampling (Statistics), Data Science, R Programming, Statistical Methods, Data Structures, Data Integrity, Information Privacy, Informed Consent, Ethical Standards And Conduct, Algorithms
Build toward a degree
Beginner · Course · 1 - 3 Months