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: Exploratory Data Analysis, Model Optimization, Model Training, Applied Machine Learning, Predictive Modeling, Decision Tree Learning, Data Analysis, Regression Analysis, Classification Algorithms, Supervised Learning, Machine Learning Algorithms, Data Wrangling, Model Evaluation, Data Preprocessing, Statistical Machine Learning, Feature Engineering
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Database Application, Cloud Hosting, Object-Relational Mapping, Database Management Systems, Full-Stack Web Development, Database Software, Development Environment, Microsoft Visual Studio, User Interface (UI), Application Frameworks, Identity and Access Management, UI Components, Configuration Management, Authorization (Computing), Maintainability, Data Modeling, Data Migration, Data Mapping, Business Logic
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, JUnit, Model Training, Build Tools, MLOps (Machine Learning Operations), Java, Performance Tuning, Decision Tree Learning, Classification And Regression Tree (CART), Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Object Oriented Programming (OOP), Apache, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Virtualization and Virtual Machines, Cloud Deployment, Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Cloud Platforms, Virtual Machines, General Networking, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Microsoft Intune (Mobile Device Management Software)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Model Deployment, Restful API, Application Deployment, AI Integrations, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, Test Engineering, System Testing, Test Tools, Test Automation, Testability, Integration Testing, Performance Stress Testing, .NET Framework, Performance Tuning, Software Development Tools
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Vulnerability Scanning, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Closing (Sales), Overcoming Objections, Consultative Selling, Consultative Approaches, Sales, Solution Selling, Selling Techniques, Sales Presentations, General Sales Practices, Sales Strategy, Sales Process, Communication, Presentations, Regional Sales, Sales Prospecting, Negotiation, Prospecting and Qualification, Driving engagement, Customer Engagement, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Balance Sheet, Business Metrics, Business Valuation, Working Capital, Financial Statement Analysis, Financial Analysis, Financial Statements, Equities, Financial Modeling, Performance Analysis, Gross Profit, Benchmarking, Enterprise Modeling, Financial Data, Operational Efficiency
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Test Script Development, Development Testing, Software Testing, Java Programming, Java, Software Engineering
Beginner · Guided Project · Less Than 2 Hours