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.

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Collaboration, Data Visualization
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Performance Tuning, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Services, Capacity Management
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Stored Procedure, Authentications, Web Applications, Secure Coding, Middleware, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Siemens
Skills you'll gain: Safety Standards, Automation Engineering, Machine Controls, Mechanical Design, Product Automation, Manufacturing Standards, Automation, Equipment Design, Robotic Process Automation, Control Systems, Engineering, Manufacturing and Production, Industrial Engineering, Performance Testing, Safety and Security, Human Machine Interfaces, Computer Programming, Programming Principles, Human Factors
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Computing, Virtual Machines, Cloud Infrastructure, Cloud Solutions, Cloud Platforms, Cloud Services, Virtual Local Area Network (VLAN), Infrastructure As A Service (IaaS), Application Deployment, Web Applications, Virtual Private Networks (VPN), Virtualization, Platform As A Service (PaaS), Cloud Storage, Scalability
Intermediate · Course · 1 - 3 Months

IIT Roorkee
Skills you'll gain: Linear Algebra, Machine Learning Algorithms, NumPy, Dimensionality Reduction, Machine Learning, Data Science, Advanced Mathematics, Applied Mathematics, Python Programming
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Blockchain, Emerging Technologies, FinTech, Cryptography, Encryption, Payment Systems, Technical Analysis, Distributed Computing, Network Model, Transaction Processing, Algorithms, Data Integrity, Scalability, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Data Science, Predictive Analytics, Python Programming, Development Environment
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Java, Java Programming, Spring Framework, Android Development, IntelliJ IDEA, Functional Design, Interoperability, Unit Testing
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms
Intermediate · Course · 1 - 3 Months

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