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.

Northeastern University
Skills you'll gain: Algorithms, Theoretical Computer Science, Data Structures, Computational Thinking, Analysis, Performance Tuning, Memory Management, Scalability
Mixed · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Corporate Sustainability, Sustainable Business, Stakeholder Management, Employee Engagement, Stakeholder Engagement, Stakeholder Communications, Stakeholder Analysis, Corporate Strategy, Customer Relationship Building, Social Impact, Cross-Functional Collaboration, Strategic Partnership, Business Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Security, IT Security Architecture, DevSecOps, Threat Management, Zero Trust Network Access, Cloud Solutions, Cloud Computing Architecture, Cyber Security Strategy, Security Architecture Review, Azure DevOps Pipelines, Cloud Standards, Cloud Computing, Threat Detection, Security Controls, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Processing, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Software Installation, Data Transformation, Software Versioning
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Social Impact, Social Justice, Community Outreach, Storytelling, Creativity, Discussion Facilitation, Habit Formation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Commands, Unix, Unix Shell, File I/O, User Accounts, Operating System Administration, Command-Line Interface, Operating Systems, User Provisioning, File Systems, Systems Administration, File Management, System Configuration, Data Storage
★ 4.7 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Driving engagement, Data Sharing, Authentications, Management Reporting, Performance Reporting, Data Access, Dashboard, Content Management Systems, Role-Based Access Control (RBAC), Registration, Content Management
Advanced · Course · 3 - 6 Months

KodeKloud
Skills you'll gain: Memory Management, Back-End Web Development, Go (Programming Language), Code Reusability, Software Design Patterns, Computer Programming Tools, Data Store, Software Architecture, Data-oriented programming, Systems Design, Data Structures, System Programming, Programming Principles, Object Oriented Programming (OOP), Cloud Development, Computer Programming, Logical Reasoning, Programmable Logic Controllers, Application Development, Open Source Technology
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Mobile Development, Apple software proficiency, User Interface (UI), UI Components, Application Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: HVAC, Water Resource Management, Plant Operations and Management, Environmental Management Systems, Thermal Management, Water Quality, Environmental Monitoring, Biology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Deployment, Kanban Principles, Code Reusability, Data Persistence, Data Storage
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Development, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, Web Frameworks, Frontend Integration, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL
Intermediate · Course · 1 - 4 Weeks