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: 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

Skills you'll gain: Unreal Engine, Video Game Development, Animation and Game Design, Game Design, User Interface (UI), Prototyping, Virtual Environment, Virtual Reality, Visualization (Computer Graphics), Simulations, Artificial Intelligence, User Interface (UI) Design, Augmented and Virtual Reality (AR/VR), Animations, Scripting, 3D Assets, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Cloud API, Google Cloud Platform, Authentications, Serverless Computing, Identity and Access Management, API Design, Event-Driven Programming, Microservices, Node.JS, Authorization (Computing), Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Data Science, Generative AI, Scripting Languages, Development Environment, Computer Programming, Scripting, Data Analysis
Beginner · Course · 1 - 4 Weeks

Edureka
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Ggplot2, Statistical Visualization, Box Plots, Scatter Plots, Data Visualization, Histogram, Descriptive Statistics, Data Visualization Software, Graphing, R Programming, Data Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Order Management, ASP.NET, .NET Framework, Authentications, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Accounts, Authorization (Computing), E-Commerce, Identity and Access Management, Bootstrap (Front-End Framework), Payment Systems, Payment Processing and Collection, Model View Controller, Debugging
Intermediate · Course · 1 - 3 Months

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

Coursera
Skills you'll gain: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours