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: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Management Software, Project Management, Resource Management, Relationship Management, Dependency Analysis, Data Visualization, Data Import/Export
★ 4.7 (80) · Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Applications, Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Internet Of Things, Software Development Tools, Artificial Intelligence, Key Management
★ 4.7 (546) · Beginner · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Infectious Diseases, Infection Control, Epidemiology, Public Health and Disease Prevention, Preventative Care, Public Health, Personal protective equipment, Diagnostic Tests, Hospital Medicine, Intensive Care Medicine, Patient Treatment, Pathology, Microbiology
★ 4.5 (362) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Full-Stack Web Development, IntelliJ IDEA, Spring Boot, Spring Framework, React.js, Restful API, Front-End Web Development, Back-End Web Development, Context Management, Web Applications, Application Frameworks, Development Environment, Command-Line Interface, Data Store
★ 4.4 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Components, Electronic Systems, Electronics, Programming Principles, Electronic Hardware, Hardware Design, Display Devices, Robotics, Data Persistence, Computer Programming Tools, Integrated Development Environments, Computer Programming, Embedded Systems, Development Environment, Automation Engineering, Simulation and Simulation Software, Digital Communications, Data Storage
★ 4.8 (13) · Beginner · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Video Game Development, Game Design, Program Development, Web Development Tools, Software Development, Software Development Tools, Computer Programming Tools, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Integrated Development Environments, Maintainability, Programming Principles, Data Structures, Code Reusability, Software Design, Computer Programming, Object Oriented Programming (OOP)
★ 4.2 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, AWS SageMaker, Data Engineering, Amazon S3, AWS CloudFormation, Amazon Redshift, Data Architecture, Cloud Security, Network Security, Kubernetes, Cloud Management, AWS Identity and Access Management (IAM), Git (Version Control System), Data Loss Prevention, Data Management, Query Languages, Amazon Elastic Compute Cloud, System Monitoring, Cloud Computing, Data Processing
★ 4.3 (9) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Microservices, DevOps
★ 4.2 (54) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Supply Chain, Logistics, Supply Chain Systems, Supply Chain Management, Logistics Management, Supply Chain Planning, Supply Management, Performance Measurement, Transportation Management, Transportation Operations, Operational Efficiency, Operations Management, Inventory and Warehousing, Supplier Management, Business Operations, Operations, Sustainable Business, Inventory Management, Risk Management, Customer Relationship Management (CRM) Software
★ 4.6 (45) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Object Oriented Programming (OOP), Behavior-Driven Development, Java, Jenkins, Object Oriented Design, Continuous Integration, Test Automation, Java Programming, CI/CD, Application Frameworks, Test Script Development, Software Testing, Software Design Patterns, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, Automation, IT Automation, Data Management, Systems Architecture, Hardware Architecture, Security Controls, Network Protocols, Information Management, Systems Integration, Interoperability, Information Systems Security, Emerging Technologies, Communication Systems, Systems Design
★ 4.5 (42) · Beginner · Course · 1 - 4 Weeks