Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Verification And Validation, Linux Commands, Command-Line Interface, Virtual Machines
★ 4.9 (19) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: TypeScript, Javascript, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Web Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), User Experience Design, UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Design, React.js, Responsive Web Design, User Centered Design, User Experience, Design Elements And Principles, Javascript
★ 1.7 (6) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, HTML and CSS, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, User Experience Design, Hypertext Markup Language (HTML), Color Theory, Animations
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Probability & Statistics, Statistics, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Methods, Probability, Data Science, Statistical Modeling, Data-Driven Decision-Making, Bayesian Statistics, Classification And Regression Tree (CART), Statistical Machine Learning, Statistical Inference, Probability Distribution, Predictive Analytics, Applied Machine Learning, Correlation Analysis, Predictive Modeling, Data Preprocessing
★ 4.8 (11) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Risk Mitigation, Risk Management, Risk Analysis, Business Ethics, Financial Analysis, Data Storytelling, Storytelling, Return On Investment, Proposal Development, Business Planning, Analysis, Business Analysis, Ethical Standards And Conduct, Business Writing, Financial Acumen, Stakeholder Analysis
★ 3.9 (11) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Cascading Style Sheets (CSS), Responsive Web Design, Web Design and Development, Mockups, Web Design, User Interface (UI) Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Prototyping, Javascript, Web Development, Dashboard Creation
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Integrated Development Environments, Web Applications, HTML and CSS, Python Programming, Javascript, Design
★ 4.3 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Spring Framework, JUnit, Spring Boot, Unit Testing, Integration Testing, Data Pipelines, Event-Driven Programming, Public Key Infrastructure, Encryption, Distributed Computing
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Amazon S3, Amazon Web Services, SQL, Extract, Transform, Load, Data Quality, Cloud Engineering, Data Pipelines, Version Control, Data Modeling, Data Storage, Cloud Storage, Git (Version Control System), Data Management, Query Languages, Data Storage Technologies, Data Processing, Cloud Security, AWS Identity and Access Management (IAM), Data Security, Big Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
★ 4.7 (43) · Beginner · Guided Project · Less Than 2 Hours