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.

Peking University
Skills you'll gain: Music History, World Music, Classical Music, Music, Music Theory, Music Performance, Musical Composition
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Simulations, Risk Modeling, Epidemiology, Infectious Diseases, R Programming, Model Evaluation, Public Health
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computer Programming, Scripting Languages, Python Programming, Scripting, Computer Science
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Data Mart, Business Intelligence, Extract, Transform, Load, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Javascript, Data Structures, Scripting, Computer Programming
Advanced · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Machine Learning, Applied Machine Learning, Research, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Driving engagement, Machine Learning Methods, Behavioral Economics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pain Management, Wound Care, Blood Collection, Vital Signs, Patient-centered Care, Health Assessment, Infection Control, Clinical Nursing, Patient Treatment, Patient Evaluation, Emergency Nursing, Patient Safety, Health Care, Healthcare Ethics, Patient Positioning, Patient Education And Counseling, Medical Surgical Nursing, Nursing, Healthcare Industry Knowledge, Clinical Nutrition
Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, Unix, System Programming, Command-Line Interface, Unix Commands, File Systems, System Monitoring, Performance Tuning, Package and Software Management, File Management, Data Structures, Algorithms, Cloud Platforms, User Accounts, Security Controls
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Continuous Deployment, Development Environment, Application Deployment, Cloud Deployment, Docker (Software), Containerization, ASP.NET, Platform As A Service (PaaS), Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, User Interface (UI), Browser Compatibility, Javascript, Mobile Development, Interactive Design
Intermediate · Guided Project · Less Than 2 Hours
University of Toronto
Skills you'll gain: Network Analysis, Bioinformatics, Analysis, Data Synthesis, Statistical Methods, Technical Communication, Data Collection
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptographic Protocols, Cryptography, Exploit development, Amazon Web Services, Infrastructure Security, Cyber Security Strategy, Amazon Elastic Compute Cloud, Application Security, Cloud Computing, Email Security, Public Key Infrastructure, Containerization, SQL
Intermediate · Course · 1 - 4 Weeks