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.

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), Claims Processing, Payment Processing and Collection, Registration, CPT Coding, Medical Billing, Medical Coding, Billing, Insurance, Insurance Policies, Revenue Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Development Environment, Software Development Tools, UI Components, Web Development, Front-End Web Development, Program Development, Interactive Design
Beginner · Course · 3 - 6 Months

Illinois Tech
Skills you'll gain: Capital Budgeting, Microsoft Excel, Dashboard, Financial Modeling, Dashboard Creation, Business Intelligence, Data Visualization, Key Performance Indicators (KPIs), Productivity Software, Excel Formulas, Spreadsheet Software, Data Presentation, Interactive Data Visualization, Performance Measurement, Business Metrics, Financial Analysis, Data-Driven Decision-Making, Google Sheets, Financial Data, Finance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Query Languages, Databases, Database Management, Analytics, PostgreSQL, Data Manipulation, Data Integration, Data Analysis, Data Processing, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Computational Logic, Algorithms, Command-Line Interface
Intermediate · Course · 1 - 3 Months
EDUCBA
Skills you'll gain: Splunk, Security Information and Event Management (SIEM), Data Modeling, Role-Based Access Control (RBAC), Dashboard Creation, System Monitoring, Dashboard, Model Training, Incident Response, Threat Detection, User Accounts, Machine Learning Methods, Data Transformation, Machine Learning Software, User Provisioning, Model Evaluation, Computer Security Incident Management, Cybersecurity, Interactive Data Visualization, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, System Programming, Data Storage, Memory Management, Computational Logic, Computer Programming, C (Programming Language), Data Storage Technologies, Program Development, C# (Programming Language)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Merchandising, Inventory Management, Inventory Control, Merchandise Displays, Retail Management, Consumer Behaviour, Visual Merchandising, Retail Store Operations, Retail Sales, Marketing Psychology, Customer Analysis, Customer Engagement, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, AI Integrations, OpenAI API, OpenAI, Generative AI, API Testing, Data Ethics, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Fine-tuning, Computer Programming, Key Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months