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.

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Data Processing, Distributed Computing, Performance Tuning, Big Data, Software Architecture, Scalability, Java, System Configuration
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Responsible AI, Security Controls, Application Security, Cyber Attacks, Cyber Threat Intelligence, Cybersecurity, Data Security, DevSecOps, Security Engineering, Artificial Intelligence, Threat Modeling, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Risk Management, Encryption, Application Programming Interface (API), Machine Learning, Governance, Regulation and Legal Compliance, Applied Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Employee Performance Management, Workforce Planning, Talent Management, Performance Management, AI Personalization, People Development, Human Resource Strategy, HR Tech, Human Resources, People Analytics, Workforce Management, Diversity and Inclusion, Employee Engagement, Innovation, Analytics, Adaptability, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Nursing, Basic Nursing Skills, Patient Observation, Patient-centered Care, Respiration, Emergency Response, Patient Communication, Patient Advocacy, Nursing Process, Cardiology, Nursing Care, Nursing Practices, Nursing, Communication, Anatomy, Patient Safety, Patient Education And Counseling, Infection Control, Health Care, Patient Evaluation
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Service Recovery, De-escalation Techniques, Greeting Customers, Customer Complaint Resolution, Customer Service, Conflict Management, Client Services, Hospitality, Friendliness, Professionalism, Teamwork, Composure, Coordination, Customer experience improvement, Collaboration, Personalized Service, Customer Relationship Building, Communication, Empathy, Active Listening
Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Architecture, Sustainable Development, Sustainable Technologies, Sustainability Reporting, Climate Change Mitigation, Corporate Sustainability, Energy and Utilities, Innovation, Environment, Transportation Operations, Architecture and Construction, Architectural Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Web Design and Development, UI Components, Object Oriented Programming (OOP), Data Structures
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Bayesian Statistics, Data Analysis, Statistical Inference, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Programming, Statistical Software, R Programming, Markov Model, Probability, Simulations, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

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: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, No-Code Development, Text Mining, Machine Learning, Supervised Learning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Science, Statistical Programming, R Programming, Statistical Machine Learning, Advanced Analytics, Dimensionality Reduction, Statistical Modeling, Statistical Analysis, Statistical Methods, Sampling (Statistics), Regression Analysis, Statistical Inference, Predictive Modeling, Statistics
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Scripting, Scripting Languages, Data Storage, Web Development, Program Development, Data Structures, Game Design, Software Engineering
Beginner · Guided Project · Less Than 2 Hours