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.

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, TCP/IP, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Scripting, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

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, Object Oriented Programming (OOP), Software Testing, Integration Testing, Browser Compatibility, MySQL Workbench, JSON
Intermediate · Course · 3 - 6 Months

Infosec
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Secure Coding, Package and Software Management, Node.JS, Vulnerability Management, Javascript, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI), Javascript, Mobile Development, Interactive Design, Cross Platform Development
Intermediate · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Ggplot2, Data Visualization Software, Plot (Graphics), MarTech, Data Modeling, R Programming, Data Science, Data Analysis, Marketing, Innovation, Business Analytics, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Cyber Governance, Cyber Security Strategy, Threat Modeling, Cyber Security Policies, Cyber Risk, Governance Risk Management and Compliance, ISO/IEC 27001, Cyber Security Assessment, Cybersecurity, Compliance Management, Governance, NIST 800-53, Risk Mitigation, Risk Management, Audit Planning, Risk Appetite, Policy Analysis, Regulation and Legal Compliance, Stakeholder Engagement, Auditing
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, HTML and CSS, Front-End Web Development, Web Development Tools, Bootstrap (Front-End Framework), React.js, Web Development, Javascript, JavaScript Frameworks, Semantic Web
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Web Servers, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, Software Testing, Test Case, Gradle, API Design, Software Development Tools, Integration Testing, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Data Literacy, Storyboarding, Statistical Visualization, Data Storytelling, Data Manipulation, Ggplot2, Statistical Reporting, Data Wrangling, Data Analysis, Data Cleansing, R Programming, Tidyverse (R Package), Data Transformation, Data Import/Export, Rmarkdown, Graphing
Mixed · Course · 1 - 4 Weeks
Fractal Analytics
Skills you'll gain: Prompt Engineering, Generative AI, Business Consulting, Leadership, Consulting, Management Consulting, Responsible AI, Technical Consulting, Customer Insights, Data Ethics, Automation, Data Security
Beginner · Course · 1 - 4 Weeks