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.

Rice University
Skills you'll gain: Oral Expression, Presentations, Technical Communication, Verbal Communication Skills, Public Speaking, Infographics, Interactive Data Visualization, Persuasive Communication, Communication Strategies, Communication, Verbal Strategic Communication, Non-Verbal Communication, Graphic and Visual Design, Stress Management
Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: International Relations, Intercultural Competence, Social Studies, Cultural Diversity, World History, Diversity Awareness, Political Sciences, Social Sciences, Economics, Sociology, Social Justice
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Professionalism, Courage, Personal Integrity, Culture Transformation, Professional Development, Leadership, Culture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Logical Reasoning, Analytical Skills, Arithmetic, Data Literacy, Data Analysis, Trend Analysis, Data Synthesis, Data-Driven Decision-Making, Analytics, Data Visualization, Graphing, Descriptive Analytics, Applied Mathematics, Algebra, General Mathematics, Numerical Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Model Training, Cloud Deployment, Data Pipelines, AI Workflows, AI Security, Model Evaluation, CI/CD, Identity and Access Management, Data Storage
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: PySpark, Apache Spark, Data Management, Distributed Computing, Apache Hadoop, Data Processing, Data Manipulation, Data Analysis, Exploratory Data Analysis, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Software Design, Software Configuration Management, Object Oriented Programming (OOP), Apache Maven, Object Oriented Design, Integrated Development Environments, Software Development Tools, Build Tools, Version Control, Software Architecture, Git (Version Control System), GitHub, Data Import/Export, Development Environment, Java, Program Development, Kotlin, Debugging, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Wireframing, Figma (Design Software), Layout Design, Prototyping, User Experience, User Experience Design, User Interface and User Experience (UI/UX) Design, Persona (User Experience), Typography, Collaborative Software, User Interface (UI) Design, Graphic and Visual Design, Animations, Color Matching
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Cascading Style Sheets (CSS), GitHub, HTML and CSS, Version Control, Git (Version Control System), Microsoft Copilot, Web Development, Web Design and Development, Web Content Accessibility Guidelines, Responsive Web Design, Hypertext Markup Language (HTML), Javascript, Web Design, Front-End Web Development, Web Development Tools, JSON, Semantic Web
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Active Listening, Business Writing, Concision, Non-Verbal Communication, Writing, Persuasive Communication, Team Collaboration, Virtual Teams, Interpersonal Communications, Empathy, Responsible AI, Cultural Sensitivity, Google Gemini, Anthropic Claude, Communication, Technical Documentation, Communication Strategies, Stakeholder Engagement, Marketing Communications, Media and Communications
Intermediate · Specialization · 1 - 4 Weeks