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.

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Canva (Software), Logo Design, Video Editing, Graphic Design, Graphic and Visual Design, Content Creation, Design, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: IT Security Architecture, Threat Modeling, Application Security, Cloud Deployment, Cloud Computing Architecture, Cloud Computing, Cloud Services, Security Engineering, Cloud Security, Systems Architecture, Information Systems Security, Security Controls, Secure Coding, Public Cloud, Threat Management, Software As A Service, Infrastructure As A Service (IaaS), Computer Security, Threat Detection, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Recurrent Neural Networks (RNNs), Model Evaluation, Natural Language Processing, Text Mining, Data Preprocessing, Deep Learning, Tensorflow, Google Cloud Platform, Matplotlib
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming, Web Services, Programming Principles, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Computational Logic, Scripting Languages, Programming Principles, Web Development Tools, Data Structures, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Plot (Graphics), Data Visualization Software, R Programming, Scatter Plots, Regression Analysis, Statistical Modeling, Predictive Modeling, Artificial Neural Networks, Data Science, Deep Learning, Model Evaluation, Descriptive Statistics, Predictive Analytics, Statistical Methods, Data Manipulation, Data Preprocessing, Performance Testing
Mixed · 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: Data Preprocessing, Applied Machine Learning, Unsupervised Learning, Correlation Analysis, Data Cleansing, R Programming, Data Quality, Machine Learning, Machine Learning Algorithms, Data Manipulation, Data Mining, Exploratory Data Analysis, Data Integrity
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Responsible AI, Artificial Intelligence, Generative AI, AI Product Strategy, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), OpenAI, Business Management, Supervised Learning, Market Intelligence, Human Machine Interfaces, Emerging Technologies, Deep Learning, Natural Language Processing, Market Data
Beginner · Course · 1 - 3 Months

Skills you'll gain: Text Mining, Statistical Analysis, Data Visualization, Descriptive Statistics, Data Analysis, Computer Programming, Mathematical Software, Data Preprocessing, Data Manipulation, Linear Algebra, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months