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.

LearnQuest
Skills you'll gain: Sales Pipelines, Overcoming Objections, Sales Management, Sales Process, Team Motivation, Sales Development, Sales Prospecting, Performance Analysis, Regional Sales, Selling Techniques, Team Performance Management, Prospecting and Qualification, Sales Enablement, Sales Training, Sales, Performance Measurement, Dashboard, Management Training And Development, Customer Relationship Management (CRM) Software, Business Ethics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Software Testing, Java, Test Automation, Test Case, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Database Development, Software Architecture, Software Design Patterns, Maintainability
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Equities, Revenue Recognition, Working Capital, Balance Sheet, Generally Accepted Accounting Principles (GAAP), Financial Statement Analysis, Accounting, Tax Management, Corporate Finance, Financial Statements, Corporate Accounting, Specialized Accounting, Case Studies, Financial Acumen, Financial Reporting, Finance
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Information Technology Infrastructure Library, IT Service Management, Service Management, Information Technology, Operations Management, Information Technology Operations, Governance, Operations, Asset Management, Automation
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Code Reusability, Algorithms, Encryption, Maintainability, Data Store, Program Development, Web Analytics and SEO, Data Import/Export, Web Servers, Server Side
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Programming Principles, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, JSON, Test Script Development, Computer Programming, Test Case, Data Structures, Debugging, Package and Software Management, Code Reusability, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Programming Principles, Program Development, Object Oriented Design, Code Reusability, AI Personalization, Data Integration, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Java Programming, Java, Data Structures, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Cloud Security, Cloud-Native Computing, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Cloud Management, Cloud Solutions, Cloud Platforms, Cloud Standards, Cloud Deployment, Cloud Computing, Cloud Infrastructure, Cloud Services, Serverless Computing
Beginner · Course · 1 - 4 Weeks