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.

Starweaver
Skills you'll gain: SQL, Business Intelligence, Jupyter, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Scripting, C# (Programming Language), Video Game Development, Game Design, Event-Driven Programming, Development Environment, Programming Principles, User Interface (UI), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization Software, Jupyter, Interactive Data Visualization, Scatter Plots, Histogram, Box Plots, Animations, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Amazon Web Services, Cloud Management, System Monitoring, Network Monitoring, Application Performance Management, Scalability, Cloud Computing, Performance Tuning, Security Testing, Data Maintenance
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Test Case, Cascading Style Sheets (CSS), Debugging, Mac OS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Computational Logic, Programming Principles, Business Logic, Data Validation, Data Integrity
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Team Performance Management, Performance Management, Smart Goals, Employee Performance Management, Performance Review, Management Training And Development, People Development, Generative AI Agents, Goal Setting, Performance Analysis, Employee Coaching, AI Personalization, HR Tech, Workforce Development, Employee Engagement, Constructive Feedback, Business Priorities, Driving engagement, Coaching, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Probability, Python Programming, Scikit Learn (Machine Learning Library), Data Preprocessing, Linear Algebra, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon DynamoDB, NoSQL, Serverless Computing, Database Systems, Database Management Systems
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Performance Tuning, Middleware, Linux, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Lifecycle Management, Enterprise Architecture, AI Product Strategy, Product Management, Responsible AI, Innovation, New Product Development, Product Strategy, User Research, Scalability, Design Thinking, Lean Methodologies, Project Portfolio Management, Agile Product Development, Governance, Product Development, Product Roadmaps, User Centered Design, Resource Management, Brand Management
Intermediate · Specialization · 3 - 6 Months
University of Glasgow
Skills you'll gain: JSON, Data Structures, Analytics, Computational Thinking, Data Analysis, Data Visualization Software, Scripting, Javascript, Data Processing, Unsupervised Learning, Data Modeling, Machine Learning, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Algorithms, Software Development
Beginner · Course · 1 - 4 Weeks