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.

Northeastern University
Skills you'll gain: Database Design, Software Quality Assurance, Enterprise Architecture, Open Web Application Security Project (OWASP), Data Governance, Database Theory, User Research, Stakeholder Engagement, Algorithms, Agile Software Development, Software Development Life Cycle, Unified Modeling Language, Software Architecture, Cybersecurity, Responsive Web Design, Java, Cascading Style Sheets (CSS), Agile Methodology, Object Oriented Programming (OOP), Data Ethics
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Root Cause Analysis, Data Security, Problem Management, Site Reliability Engineering, Capacity Management, Resource Management, Identity and Access Management, Role-Based Access Control (RBAC), Compliance Auditing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Snowflake Schema, Model Deployment, Data Pipelines, Pandas (Python Package), Data Import/Export, Data Transformation, Large Language Modeling, Data Processing, Containerization, Python Programming, MLOps (Machine Learning Operations), Application Deployment, Application Development, Data Science, Cloud Computing, SQL, Data Analysis, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Team Motivation, Sales Management, Conflict Management, Diversity and Inclusion, Drive Engagement, Emotional Intelligence, Virtual Teams, Recognizing Others, Professional Development, Management Training And Development, Coaching, Team Management, Cultural Diversity, Communication, Active Listening, Cross-Functional Team Leadership, Team Leadership, Employee Performance Management, Intercultural Competence, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Preprocessing, Applied Machine Learning, Model Evaluation, R Programming, Data Transformation, Data Manipulation, Data Cleansing, Predictive Modeling, Predictive Analytics, Supervised Learning, Classification Algorithms, Machine Learning Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, SQL, YAML, Data Pipelines, Data Validation, Data Mart, CI/CD, Data Modeling, Data Transformation, Version Control, Git (Version Control System), Technical Documentation, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Semiconductors, Manufacturing Standards, Production Process, Manufacturing Operations, Electronics Engineering, Manufacturing Processes, Electronics, Process Control, Process Engineering, Chemical Engineering, Materials science, Infrastructure Security, Security Controls, Network Infrastructure, Analysis
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Editing, Writing, Proofreading, Report Writing, English Language, Style Guides
Mixed · Course · 1 - 3 Months

Skills you'll gain: Learning Management Systems, Prompt Engineering, ChatGPT, Education Software and Technology, AI Personalization, Digital pedagogy, Collaborative Software, AI Enablement, Generative AI, AI Workflows
Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Model View Controller, Software Design Patterns, Software Design, Unified Modeling Language, Object Oriented Design, Code Review, Software Architecture, Programming Principles, Maintainability, Java, Application Design
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Data Storytelling, Heat Maps, Looker (Software), Process Mapping, Key Performance Indicators (KPIs), Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, Predictive Analytics, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months