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: Stress Management, Mindfulness, Emotional Intelligence, Personal Development, Resilience, Self-Awareness, Persistence, Mental Health, Goal Setting, Adaptability, Journals, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Marketing Automation, Social Media Content, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Oracle Databases, Database Development, Relational Databases, Data Integrity, Scalability, Procedure Development, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, Shell Script, Bash (Scripting Language), Unix, Command-Line Interface, Linux Commands, Scripting, Linux, System Monitoring, File Management, System Programming, OS Process Management
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), GitHub
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud-Native Computing, Kubernetes, Continuous Delivery, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), System Monitoring, Serverless Computing, Performance Testing, Scenario Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Windows PowerShell, Linux, IT Automation, Unix Commands, Unix, Debugging, Automation, Remote Access Systems, Development Environment, System Monitoring, Restful API
Intermediate · Course · 3 - 6 Months

Skills you'll gain: General Networking, Network Architecture, Cybersecurity, Computer Networking, Network Security, Threat Detection, Network Routers, Security Controls, Cyber Attacks, Network Switches, Diagram Design, Firewall, Security Strategy
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Network Infrastructure, Virtual Networking, Wide Area Networks, Network Planning And Design, Local Area Networks, Network Protocols, Software-Defined Networking, Computer Networking, Business Priorities, Telecommunications, Enterprise Application Management, Service Level Agreement, Prioritization
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Git (Version Control System), DevOps, Version Control, Software Development, Development Environment, Software Development Tools, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, CI/CD, Object Oriented Programming (OOP), JUnit, Java, Software Design Patterns, Test Automation, Software Testing, Maintainability, Test Case, Browser Compatibility, Software Design, Test Execution Engine
Intermediate · Course · 1 - 3 Months