Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Virtualization, Unix, IBM DB2, IBM Cloud, Data Management, Virtual Machines, Data Storage, Operating System Administration, Infrastructure Architecture, System Programming, Operating Systems, Unix Commands, File Systems, Linux, Computer Architecture, Control Panels, Command-Line Interface
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LangChain, Retrieval-Augmented Generation, LLM Application, Generative AI, Vector Databases, Embeddings, User Interface (UI), UI Components, Semantic Web, Database Systems, Model Evaluation, Data Storage Technologies, Databases, NoSQL, AI Enablement, Large Language Modeling, Flask (Web Framework), Database Management, AI Personalization
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Digital Marketing, Search Engine Optimization, Keyword Research, ChatGPT, Content Development and Management, Web Content, Content Performance Analysis, Technical Writing, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Agentic systems, OpenAI API, AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, AI Security, Application Programming Interface (API), Authentications, Real Time Data, Software Architecture, Systems Integration
Intermediate · Professional Certificate · 3 - 6 Months

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Kotlin, Mobile Development, Relational Databases, PostgreSQL, Application Design, Database Design, Databases, User Interface (UI), User Interface (UI) Design, Frontend Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft 365, Document Management, Collaborative Software, Microsoft Office, Microsoft Teams, File Management, Data Entry, Content Management, Cloud Storage, Real Time Data
Beginner · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Keras (Neural Network Library), Tensorflow, Deep Learning, Artificial Neural Networks, Decision Tree Learning, Scikit Learn (Machine Learning Library), Machine Learning, Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Office Procedures, Medical Management, Clinic Management Systems, Patient Registration, Triage, Health Care Procedure and Regulation, Patient Safety, Setting Appointments, Care Coordination, Patient Communication, Standard Operating Procedure, Data Entry, Record Keeping, Safety and Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Development Environment, Computer Graphics, Visualization (Computer Graphics), Cross Platform Development, Computer Graphic Techniques, C++ (Programming Language), Video Game Development, Program Development, Software Installation, System Configuration, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Role-Based Access Control (RBAC), Infrastructure Architecture, Configuration Management, Distributed Computing, Security Information and Event Management (SIEM), System Configuration, System Monitoring, Data Management, Data Pipelines, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months