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: GitHub, Version Control, Bootstrap (Front-End Framework), .NET Framework, Model View Controller, Cross Platform Development, Microsoft Development Tools, Development Environment, Authentications, Web Applications, jQuery, Software Development Tools, Responsive Web Design, Data Validation, Microsoft SQL Servers, Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Application, Full-Stack Web Development, Web Applications, Model View Controller, Authentications, Business Logic, SQL
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Software Design, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Data Analysis, Java, Data Structures, Data Processing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Build Tools, CI/CD, Software Development Tools, Java, Gradle, Apache Maven, MLOps (Machine Learning Operations), Package and Software Management, Dependency Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Java, Test Automation, Software Development, Development Testing, Application Design, Software Testing, Application Development, System Design and Implementation, Data Validation, User Interface (UI), Debugging, Data Integrity, Business Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning, Systems Development, System Monitoring, System Requirements, Business Reporting, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Performance Tuning, Database Architecture and Administration, Virtual Machines, Software Installation, Database Management, Data Storage, System Configuration, Network Administration, Disaster Recovery, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, Object-Relational Mapping, Microsoft SQL Servers, SQL, Database Management, Relational Databases, .NET Framework, Query Languages, Databases, ASP.NET, Data Modeling, C# (Programming Language), Data Integrity, Performance Tuning, Data Migration, Microsoft Visual Studio
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Apache Maven, Maintainability, Gradle, Java, Software Design, Software Design Patterns, Software Architecture, Object Oriented Design, Object Oriented Programming (OOP), API Design, Machine Learning Methods, Programming Principles, Integration Testing, Dependency Analysis, User Interface (UI) Design, Design Strategies, Program Evaluation, Automation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Cloud Applications, Google Cloud Platform, Infrastructure As A Service (IaaS), Kubernetes, Cloud Storage, Cloud Computing, Identity and Access Management, Network Infrastructure, Virtual Machines, Containerization, Virtual Networking, Data Storage, Platform As A Service (PaaS), Load Balancing, Serverless Computing, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: .NET Framework, Application Deployment, Bootstrap (Front-End Framework), Full-Stack Web Development, Database Management, User Accounts, Payment Systems, Authentications, Role-Based Access Control (RBAC), Data Modeling, Transaction Processing
Intermediate · Course · 3 - 6 Months