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.

L&T EduTech
Skills you'll gain: Internet Of Things, Wireless Networks, Automation, Digital Transformation, Enterprise Architecture, System Monitoring, Real Time Data, Data Security, Communication Systems, Cloud Computing, Network Protocols, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Web Development, HTML and CSS, Front-End Web Development, Web Servers, Cascading Style Sheets (CSS), Web Applications, Server Side, Javascript, Middleware, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, File Management, Data Structures, Computer Programming, Algorithms, Data Management, Data Science
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Product Lifecycle Management, Global Marketing, Innovation, Market Opportunities, Market Analysis, New Product Development, Technology Strategies, Competitive Analysis, Growth Strategies, Business Strategy, Strategic Thinking, Strategic Decision-Making
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Computer Vision, PyTorch (Machine Learning Library), Supervised Learning, Unsupervised Learning, Image Analysis, Applied Machine Learning, Dimensionality Reduction, Reinforcement Learning, Feature Engineering, Machine Learning Algorithms, Regression Analysis, Data Processing, Machine Learning, Predictive Modeling, Data Mining, Data Cleansing, Statistical Machine Learning, Deep Learning, Artificial Neural Networks, Decision Tree Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, SQL Server Integration Services (SSIS), Data Cleansing, Data Pipelines, Data Quality, Data Migration, Data Mapping, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Unity Engine, GitHub, Bitbucket, Git (Version Control System), Android Development, C# (Programming Language), Android (Operating System), Mobile Development, Video Game Development, Scripting, Scripting Languages, 3D Assets, Animation and Game Design, User Interface (UI) Design, Game Design, Application Development, Cross Platform Development, User Interface (UI), Graphics Software
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, Application Deployment, CI/CD, Application Lifecycle Management, Test Automation, Unit Testing, Software Documentation, Software Design, Microservices, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, JSON, Application Programming Interface (API), Javascript, Event-Driven Programming, Data Validation, Web Development, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon DynamoDB, Database Management, AWS CloudFormation, Amazon Elastic Compute Cloud, Cloud Infrastructure, Amazon S3, Cloud Computing, Public Cloud, Cloud Storage, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Multi-Factor Authentication, File Systems, Virtual Private Networks (VPN), Servers
Beginner · Course · 1 - 4 Weeks