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: Target Audience, Data-Driven Marketing, Marketing, Value Propositions, Global Marketing, Search Engine Optimization, Diversity Marketing, Brand Strategy, Marketing Planning, Marketing Strategies, Branding, Marketing Analytics, Brand Awareness, Data-Driven Decision-Making, Customer Analysis, Market Research, Cultural Diversity, Consumer Behaviour, Cultural Responsiveness, Cultural Sensitivity
★ 4.8 (70) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Software Testing, Unit Testing, User Experience Design, Frontend Integration, Web Development, Mobile Development, JavaScript Frameworks, Test Case
★ 3.4 (82) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Molecular Biology, Data Analysis Software, Statistical Analysis, Data Mapping, Molecular, Cellular, and Microbiology, Statistical Methods, Analysis, Command-Line Interface, Data Processing, Linux Commands, Linux
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java, Java Programming, Software Architecture, User Interface and User Experience (UI/UX) Design, API Design, Software Development, AI Integrations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Plot (Graphics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Programming, Descriptive Analytics, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Data Science
★ 4.6 (68) · Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Generative AI, AI Personalization, Software Development Tools, GitHub, Application Development, Artificial Intelligence, Code Review, Responsible AI, Design Software, Web Development Tools, Front-End Web Development, Software Development, React.js, Javascript, Web Development, Software Engineering
★ 4.4 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps Pipelines, Kubernetes, Azure DevOps, Node.JS, CI/CD, DevOps, Microsoft Azure, Devops Tools, Test Planning, Continuous Integration, Continuous Delivery, Application Lifecycle Management, Microservices, Containerization, Software Testing, Debugging, Software Development Tools, Cloud Deployment, Scripting, Version Control
★ 4.3 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NIST 800-53, Security Management, Continuous Monitoring, Event Monitoring, Security Controls, System Monitoring, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Policies, Vulnerability Assessments, Cyber Security Assessment, Threat Detection, Incident Response, Identity and Access Management
★ 4.7 (32) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
★ 4.4 (42) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Safety Assurance, Process Engineering, Engineering Analysis, Environmental Engineering, Process Modeling, Predictive Modeling, Engineering Calculations, Mathematical Modeling, Estimation
★ 4.6 (60) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Visualization (Computer Graphics), Design Software, Editing, User Interface (UI), Software Installation
★ 4.9 (18) · Mixed · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
★ 4.6 (11) · Beginner · Course · 1 - 3 Months