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: Kotlin, Cross Platform Development, Android Jetpack, Mobile Development, Android Development, Back-End Web Development, UI Components, User Interface (UI), Business Logic, Server Side, Middleware
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Digital Transformation, Data-Driven Decision-Making, Business Transformation, Employee Engagement, Analytics, Data Quality, Strategic Decision-Making, Microsoft Power Platform, Advanced Analytics, Big Data, No-Code Development, Business Modeling, Artificial Intelligence, Deep Learning
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Computational Thinking, Algorithms, Program Development, Software Development, Computer Programming, Data Structures, Javascript, Computer Science, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Linux, Package and Software Management, Linux Administration, Unix Commands, File Management, Operating System Administration, Linux Commands, Systems Administration, File Systems, Open Source Technology, System Configuration, Software Installation, Operating Systems, Virtualization, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Resource Allocation, Resource Planning, Scheduling, Project Schedules, Project Management Software, Project Management, Capacity Planning, Workforce Management, Administration, Expense Management, User Accounts
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Development Environment, CI/CD, DevOps, Software Development Tools, GitHub, Integrated Development Environments, Generative AI, Software Documentation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Zero Trust Network Access, Microsoft Azure, Cloud Platforms, Azure Active Directory, Cloud Security, Endpoint Detection and Response, Security Controls, Multi-Factor Authentication, Cloud Services, Cyber Security Strategy, Identity and Access Management, Data Security, Enterprise Security, Data Governance, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Git (Version Control System), GitHub, Jenkins, Continuous Integration, Test Automation, CI/CD, Test Data, Software Testing, Unit Testing, IntelliJ IDEA, Test Case, Development Environment, Application Frameworks, Apache Maven, Verification And Validation, Maintainability, Debugging
Advanced · Course · 3 - 6 Months

Skills you'll gain: Design Elements And Principles, Growth Mindedness, Goal Setting, Personal Development, Detail Oriented
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Docker (Software), Containerization, DevOps, Kubernetes, Command-Line Interface, CI/CD, Application Deployment, YAML, Microservices, Windows PowerShell, Virtual Machines, Network Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Unreal Engine, Computer Graphics, Computer Graphic Techniques, Animation and Game Design, Graphical Tools, Virtual Environment, Data Import/Export, Image Quality, Performance Tuning, Content Management
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Integrated Development Environments, Build Tools, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Program Development, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks