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.

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Command-Line Interface, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Shell Script, File Management
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Music, Media Production, Music Theory, Music Performance, Editing, Creativity, Automation, File Management, Electronic Media, System Configuration
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Java, Java Programming, IntelliJ IDEA, Object Oriented Programming (OOP), Android Development, Interoperability, Mobile Development, Integrated Development Environments, Computer Programming, Performance Tuning, Functional Design, Code Review, Programming Principles, Maintainability, Unit Testing, Scripting, Software Development, Development Environment
Intermediate · Course · 1 - 3 Months

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, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence, Context Management
Intermediate · Course · 1 - 3 Months

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

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

Rice University
Skills you'll gain: Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Reconciliation, Financial Reporting, Bookkeeping, Ledgers (Accounting), Accounting, Inventory Management System, Workflow Management, Inventory Control, Accounting Software, Sales Tax, Accounting Records, Small Business Accounting, Financial Accounting, Process Optimization, Accounts Payable and Receivable, Cash Handling, Expense Management, Financial Data, Inventory Management
Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Computing, Virtual Machines, Cloud Infrastructure, Virtual Networking, Cloud Applications, Cloud Deployment, Application Deployment, Virtual Private Networks (VPN), Virtualization, Cloud Storage, Scalability
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Multi-Factor Authentication, Authentications, Identity and Access Management, Security Controls, Security Awareness, Risk Management Framework, Data Security, Safety and Security, Security Management, Human Factors (Security), Cyber Security Strategy
Intermediate · Course · 1 - 4 Weeks

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
Intermediate · Course · 1 - 4 Weeks