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: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Apple Xcode, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Law, Regulation, and Compliance, Data Security, Governance, Information Assurance, Document Management, Health Information Management, Security Strategy, General Data Protection Regulation (GDPR), Compliance Management, Incident Response, Regulatory Compliance, Training Programs, Compliance Training
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Natural Language Processing, Model Evaluation, Embeddings, Text Mining, Logistic Regression, Artificial Intelligence and Machine Learning (AI/ML), Statistical Modeling, Machine Learning Methods, Classification Algorithms, Unstructured Data, Deep Learning, Probability Distribution, Linear Algebra, Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Mobile Security, Cybersecurity, General Networking, Telecommunications, Technology Roadmaps, Automation, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Non-Verbal Communication, Interpersonal Communications, Technical Communication, Verbal Communication Skills, Target Audience, Strategic Communication, Communication, Business Communication, Persuasive Communication, Technical Management, Professional Development, Leadership, Organizational Leadership, Active Listening, Organizational Structure, Presentations
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Generative AI, Artificial Intelligence, AI Product Strategy, Data Ethics, Responsible AI, Large Language Modeling, Strategic Thinking, Risk Management, Natural Language Processing, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Agentic systems, Data Access, Prompt Engineering, Large Language Modeling, Enterprise Security, Cloud Storage, Data Integration, Artificial Intelligence, Data Security, Application Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: JSON, Javascript, Ajax, JavaScript Frameworks, Web Development Tools, Software Testing, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Web Servers, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Research, Data Collection, Surveys, Scientific Methods, Research Methodologies, Persuasive Communication, Data Analysis, Case Studies, Information Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Cloud Computing Architecture, Network Security, Incident Response, Threat Management, Cloud Security, Threat Modeling, Risk Analysis, Business Risk Management, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Cyber Threat Intelligence
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Retrieval-Augmented Generation, Embeddings, Vector Databases, Amazon Web Services, Agentic systems, Performance Tuning, Transfer Learning, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Google Analytics, Content Performance Analysis, Customer Analysis, E-Commerce, Marketing Analytics, Performance Analysis, Performance Reporting, Marketing Effectiveness
Beginner · Guided Project · Less Than 2 Hours