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.

Northeastern University
Skills you'll gain: Database Design, Database Theory, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Enterprise Modeling, Data Integrity, Data Quality
Build toward a degree
Mixed · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Data Storytelling, Sales Presentations, Sales Strategy, Customer Relationship Management (CRM) Software, Storytelling, Sales, Data Literacy, B2B Sales, Data Visualization Software, Sales Process, HubSpot CRM, Customer Insights, Target Audience, Presentations, Exploratory Data Analysis, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Statistical Analysis, Data Mining, Data Analysis, Data Processing, Pandas (Python Package), Data Science, NumPy, Web Scraping, Python Programming, Data Manipulation, Graphical Tools, User Interface (UI) Design, Scripting, File I/O
Mixed · Course · 1 - 3 Months

Skills you'll gain: Databases, Data Manipulation
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Decision Support Systems, Database Design, Relational Databases, Database Management, Database Management Systems, SQL, Descriptive Statistics, Data Literacy, Statistics, Statistical Analysis, Business Intelligence, Microsoft Excel, Extract, Transform, Load, Data-Driven Decision-Making, Business Analytics, Data Manipulation, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Data Transformation, Real Time Data, Fraud detection, Data Pipelines, Apache Spark, Power BI, PySpark, Performance Tuning, Grafana, Disaster Recovery, Data Architecture, Prometheus (Software), Data Integrity, Scalability, Data Processing, Data Governance, Event-Driven Programming, System Monitoring, Docker (Software)
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Data Science, Mathematical Theory & Analysis, Applied Mathematics, Linear Algebra, Derivatives
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Serverless Computing, Containerization, Amazon Web Services, Data Migration, Amazon DynamoDB, Docker (Software), Databases, Cloud Engineering, Kubernetes, AWS Identity and Access Management (IAM), Operational Databases, Amazon Elastic Compute Cloud, Database Management, Performance Tuning, Amazon CloudWatch, Cloud Security, Identity and Access Management, Application Programming Interface (API), Data Security, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Regional Sales, Sales, Data Analysis Software, Data Analysis, Query Languages, Trend Analysis, Databases, Customer Insights, Performance Analysis, Market Opportunities, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

Universitat Autònoma de Barcelona
Skills you'll gain: Data Processing, Big Data, Data Infrastructure, Data Storage Technologies, Apache Hadoop, Data Analysis, Economics, Policy, and Social Studies, Data Governance, Social Studies, Business Transformation, Social Sciences, Social Impact
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Lakes, Data Pipelines, Model Deployment, Data Processing, Apache Kafka, Big Data, Real Time Data, Dataflow, Apache Spark, Extract, Transform, Load, Data Warehousing, Data Architecture, Data Infrastructure, MLOps (Machine Learning Operations), Tensorflow, Data Management, Metadata Management, Data Integration, Apache Hadoop
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Dataflow, Data Pipelines, Debugging, Google Cloud Platform, System Monitoring, Data Integrity, CI/CD, Data Processing, Unit Testing, Performance Tuning, Disaster Recovery
Advanced · Course · 1 - 3 Months