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.

Board Infinity
Skills you'll gain: Unit Testing, Software Testing, Test Case, .NET Framework, CI/CD, Test Script Development, Test Driven Development (TDD), Testability, Test Data, Test Automation, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Javascript, jQuery, Event-Driven Programming, Object Oriented Programming (OOP), JSON, Web Applications, Computer Programming, Web Development Tools, Debugging, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS)
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Self-Awareness, Professional Development, Personal Development, Smart Goals, Goal Setting, Emotional Intelligence, Leadership Development, Empathy & Emotional Intelligence, Adaptability, Cognitive flexibility, Dealing With Ambiguity, Team Leadership, Team Performance Management, Leadership and Management, Leadership, Team Management, Growth Mindedness, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Tools, Test Automation, Software Testing, Test Script Development, Test Case, Regression Testing, Test Execution Engine, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Amazon S3, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon Web Services, Identity and Access Management, Cloud Deployment, Cloud Computing, Cloud Computing Architecture, Cloud Infrastructure, Command-Line Interface, Public Cloud, Cloud Storage, Multi-Factor Authentication, Data Storage, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Data Presentation, Exploratory Data Analysis, Vector Databases, Data Mapping, Data Access
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Development Environment, Front-End Web Development, React.js, UI Components, Back-End Web Development, Web Development, Natural Language Processing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Khalifa University
Skills you'll gain: Data Strategy, Model Deployment, Data Governance, Model Evaluation, Transfer Learning, Data Quality, Data-Driven Decision-Making, Business Leadership, Predictive Analytics, Machine Learning, Strategic Decision-Making, Artificial Intelligence, Large Language Modeling, Classification Algorithms, Regression Analysis, Decision Tree Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months