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: Threat Modeling, Application Security, Secure Coding, Open Web Application Security Project (OWASP), Security Engineering, Security Requirements Analysis, Security Controls, Data Security, Vulnerability Management, Computer Security, Vulnerability, Vulnerability Assessments, Databases, Information Privacy, Role-Based Access Control (RBAC), Computer Programming, Python Programming, Node.JS, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Prometheus (Software), Application Deployment, CI/CD, Grafana, DevOps, Command-Line Interface, Continuous Delivery, YAML, Git (Version Control System)
Beginner · Course · 3 - 6 Months

University of London
Skills you'll gain: JSON, Restful API, Ajax, Javascript, Web Development Tools, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Integrated Development Environments, Debugging, Mobile Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Cloud Applications, Virtual Networking
Beginner · Course · 3 - 6 Months

Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software, Computer Literacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Apache, Web Design, Front-End Web Development, PHP (Scripting Language), Application Servers, User Interface and User Experience (UI/UX) Design, Full-Stack Web Development, HTML and CSS, Web Development, UI Components, Web Servers, Email Automation, Usability, Development Testing, Interactive Design, Java Platform Enterprise Edition (J2EE), Web Analytics and SEO
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: CI/CD, Hardware Design, Continuous Integration, Continuous Deployment, Devops Tools, Electronic Hardware, Embedded Software, Continuous Delivery, Test Automation, Software Development Tools, Automation, Verification And Validation, YAML, Process Optimization
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: CI/CD, Hugging Face, Continuous Deployment, Model Evaluation, Applied Machine Learning, Continuous Integration, Transfer Learning, Data Preprocessing, Model Deployment, Large Language Modeling, Data Pipelines, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Query Languages, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, Spreadsheet Software, File Management, Excel Formulas, Email Security, Data Visualization, Collaborative Software, Data Validation, Document Management, Setting Appointments, Meeting Facilitation, Sales Presentations, Data Analysis Expressions (DAX), Productivity Software, Version Control
Beginner · Specialization · 3 - 6 Months