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: Penetration Testing, Record Keeping, Security Testing, Data Management, Threat Management, Records Management, Cloud Computing Architecture, Authentications, Data Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, System Testing, Cyber Threat Intelligence, Authorization (Computing), Generative Adversarial Networks (GANs), Active Directory, Data Ethics, AI Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Artificial Intelligence, Large Language Modeling, Embeddings, Text Mining, Generative AI, Natural Language Processing, Python Programming, Application Programming Interface (API), Scripting
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS SageMaker, Applied Machine Learning, Model Evaluation, Amazon Web Services, No-Code Development, Machine Learning, Supervised Learning, Cloud Platforms, Predictive Modeling, Amazon S3, Version Control, Data Preprocessing, Model Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Modeling, Revenue Forecasting, Working Capital, Cash Flows, Business Valuation, Financial Forecasting, Expense Management, Financial Data, Cash Flow Forecasting, Operating Expense, Depreciation, Financial Analysis, Financial Statements, Asset Management, Revenue Management, Business Metrics, Capital Expenditure, Income Statement, Microsoft Excel
Mixed · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Materials science, Engineering Analysis, Applied Mathematics, Scientific Visualization, Visualization (Computer Graphics), Engineering Calculations, Differential Equations, Physics, Energy and Utilities, Mathematical Modeling, Calculus
Advanced · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Performance Tuning, SQL, Query Languages, Database Design, Stored Procedure, Database Management, Data Storage
Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Global Positioning Systems, Digital Transformation, Environmental Monitoring, Aerospace Basic Quality System Standards, Manufacturing Processes, Image Analysis, Industrial Engineering, Cybersecurity, Spatial Data Analysis, Artificial Intelligence, Threat Detection, Automation, Cyber Risk, Telecommunications, Technology Strategies, Cloud Computing, Data Storage, Data Integration
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Reinforcement Learning, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Digital Signal Processing, C and C++, Distributed Computing, Computer Graphics, System Programming, Program Development, Performance Tuning, Hardware Architecture, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Performance Tuning, Data-oriented programming, System Programming, C and C++, Computer Architecture, Algorithms, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Generative AI Agents, CrewAI, AI Orchestration, Generative AI, Agentic systems, Prompt Patterns, Tool Calling, LLM Application, Model Deployment, Responsible AI, Scalability, Application Deployment, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, Unix, Data Integrity, Debugging, File I/O, Linux, Distributed Computing, Data Storage, C (Programming Language), System Programming, Command-Line Interface, Data Security, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months