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.
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Testability, Software Testing, Integration Testing, Test Case, Test Automation, Regression Testing, Test Execution Engine, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Databases, Infrastructure as Code (IaC), Amazon S3, Amazon DynamoDB, Cloud Infrastructure, CI/CD, Public Cloud, Cloud Computing, Containerization, Serverless Computing, Cloud Storage, Scalability
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Routing Protocols, Javascript, Database Design, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Management Systems, Authentications, Role-Based Access Control (RBAC), Application Deployment, Authorization (Computing), Cloud Deployment, Web Components, Content Management, Restful API, Continuous Deployment, TypeScript, Application Programming Interface (API), Web Analytics and SEO, Query Languages, Web Applications, Business Logic, Web Development Tools, Package and Software Management, Node.JS, Software Architecture
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Data Migration, Microsoft Azure, Data Warehousing, SQL Server Integration Services (SSIS), Microsoft SQL Servers, Cloud Security, Performance Tuning, System Configuration, Cloud Storage, Cloud Computing Architecture, Data Security, Apache Spark, Data Integration
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ubuntu, Cybersecurity, Cyber Attacks, Microsoft Windows, Computer Security, Computer Security Awareness Training, Information Systems Security, Linux, Network Security, Cyber Security Policies, Virtualization, Linux Commands, Linux Administration, Data Ethics, Data Security, Virtualization and Virtual Machines, Hardening, Command-Line Interface, Operating System Administration, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, User Interface (UI), Web Applications, User Accounts, Front-End Web Development, Secure Coding, Javascript, Authorization (Computing), Authentications, Data Validation
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Responsive Web Design, Wireframing, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design, HTML and CSS, Web Design and Development, Browser Compatibility, User Interface (UI), Mobile Development, Prototyping, Hypertext Markup Language (HTML), Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Amazon Web Services, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML), Blockchain, Image Analysis, Remote Access Systems, Text Mining, Computer Vision, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Manipulation, R Programming, Tidyverse (R Package), Text Mining, Data Wrangling, Data Transformation, Data Cleansing, Performance Tuning, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, JavaScript Frameworks, Node.JS, Event-Driven Programming, Application Programming Interface (API), Debugging
Intermediate · Course · 1 - 4 Weeks