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.

Skills you'll gain: GitHub, API Testing, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Microsoft Power Platform, Dashboard, Data Modeling, Business Intelligence, Microsoft Excel, Microsoft Copilot, Data Integration, Interactive Data Visualization, Data-Driven Decision-Making, Performance Reporting, Data Transformation, Data Cleansing, ChatGPT
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Statistical Visualization, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Scatter Plots, Histogram, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Image Quality, Python Programming
Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Time Series Analysis and Forecasting, Keras (Neural Network Library), PyTorch (Machine Learning Library), Natural Language Processing, Tensorflow, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, AI Enablement, Responsible AI, AI Product Strategy, Return On Investment, Data Ethics, Artificial Intelligence, Business Process Automation, Operational Efficiency, Innovation, Performance Measurement, Content Creation, Product Design, Customer Support
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Containerization, Docker (Software), Kubernetes, Application Deployment, Cloud Deployment, CI/CD, Cloud Security, Hybrid Cloud Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Java, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Event-Driven Programming, Computer Programming, Application Design, Programming Principles, Application Development, File I/O, User Interface (UI), User Interface (UI) Design, Development Environment, Software Development
Intermediate · 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, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Web Servers, Server Side, Hypertext Markup Language (HTML), Go (Programming Language), Web Applications, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Scenario Testing, Energy and Utilities, Mathematical Modeling, Predictive Analytics, Experimentation, Laboratory Experience, Google Gemini, Predictive Modeling, Data-Driven Decision-Making, Forecasting, Data Modeling, Analytics, 3D Modeling, Simulation and Simulation Software, Simulations, Waste Minimization, Sustainable Technologies, Data Visualization, Artificial Intelligence, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Application Design, Web Development, Transaction Processing, User Interface (UI), Development Testing, Cryptography, Emerging Technologies, HTML and CSS, Software Architecture, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Software Development Tools, Scalability, Data Management
Intermediate · Course · 1 - 4 Weeks