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.

Scrimba
Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Web Development Tools, Maintainability, Javascript, Programming Principles
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Web Development Tools, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, R Programming, R (Software), Artificial Neural Networks, Transfer Learning, Machine Learning, Exploratory Data Analysis, Tidyverse (R Package), Deep Learning, Predictive Modeling, Ggplot2, Regression Analysis, Dimensionality Reduction, Data Analysis, Data Wrangling, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Presentation, Data Visualization Software, Scatter Plots, Infographics, Storytelling, Geospatial Mapping, Box Plots, Histogram, Data Ethics, Design Elements And Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Data Management, Data Pipelines, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Content Strategy, Content Marketing, Content Performance Analysis, Web Content, Social Media Content, Paid media, Digital Content, Marketing Strategies, Content Creation, Email Marketing, Copywriting, Search Engine Optimization, Digital Advertising, Business-To-Consumer, Target Audience, Key Performance Indicators (KPIs), Customer Engagement, B2B Sales
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Full-Stack Web Development, Node.JS, Server Side, Restful API, JavaScript Frameworks, Web Development, Web Applications, Web Servers, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Kanban Principles, Sprint Planning, Agile Methodology, User Story, Sprint Retrospectives, Agile Project Management, Agile Product Development, Backlogs, Workflow Management, Lean Methodologies, Product Roadmaps, Prioritization, Release Management, Continuous Improvement Process, Cross-Functional Collaboration, Project Estimation, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Applications, Cloud-Native Computing, Serverless Computing, Infrastructure as Code (IaC), Cloud Storage, Google Cloud Platform, Application Deployment, Cloud API, Microservices, Application Development, API Gateway, Application Performance Management, Application Design, Authentications, Data Store, Cloud Services, Application Programming Interface (API), Identity and Access Management, Cloud Computing, Debugging
Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Usability, Web Applications, Semantic Web, Data Validation
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Retrieval-Augmented Generation, Generative AI, Model Evaluation, Embeddings, Model Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Control Systems, Computer Vision, Image Analysis, Robotics, Automation, Embedded Software, Test Automation, Simulations, Systems Architecture, Convolutional Neural Networks, Deep Learning, Software Architecture, Traffic Flow Optimization, Artificial Neural Networks, Global Positioning Systems, Predictive Modeling, Safety Standards
Intermediate · Course · 1 - 3 Months