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.
CertNexus
Skills you'll gain: Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Regression Analysis, Data Preprocessing, Machine Learning, Supervised Learning, Feature Engineering, Performance Tuning, Algorithms
Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Research Methodologies, Research, Document Management, Record Keeping, Data Collection, Investigation, Databases, Intellectual Property
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Docs, Collaborative Software, Document Management, Google Workspace, Data Sharing, Data Integration
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: PostgreSQL, JSON, Text Mining, Database Systems, SQL, Databases, Natural Language Processing, Database Management, Data Processing, Application Programming Interface (API), Data Storage, Python Programming
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: MongoDB, Redis, NoSQL, Database Management Systems, Database Systems, Operational Databases, Databases, Data Store, Amazon DynamoDB, Relational Databases, Database Design, Apache Kafka, Database Management, SQL, Distributed Computing, Databricks, Big Data, Data Architecture, Data Modeling, Cloud Computing
Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, Geospatial Mapping, Geographic Information Systems, Geospatial Information and Technology, Environmental Monitoring, Climate Change Programs, Image Analysis, Python Programming, Jupyter, Model Evaluation, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Budgeting, Microsoft Excel, Budget Management, Operating Budget, Excel Formulas, Spreadsheet Software, Financial Data, Microsoft Office
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing Architecture, Software Architecture, AWS Identity and Access Management (IAM), Solution Architecture, AWS CloudFormation, Amazon Elastic Compute Cloud, Cloud Deployment, Amazon S3, Cloud Security, Amazon CloudWatch, Serverless Computing, Amazon DynamoDB, Network Architecture, Scalability, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Supervised Learning, Machine Learning Methods, Classification Algorithms, Machine Learning, Data Analysis, Driving engagement
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Business Metrics, Analytics, Business Analytics, Business Intelligence, Performance Metric, Marketing Analytics, Big Data, Key Performance Indicators (KPIs), Data Analysis, Web Analytics, Case Studies, Data-Driven Decision-Making, Cash Flows
Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Peer Review, Program Evaluation, Patient Evaluation, Qualitative Research, Instructional and Curriculum Design, Health Assessment, Teaching, Psychological Evaluations, Curriculum Development, Education and Training, Simulations, Curriculum Planning, Survey Creation, Clinical Assessment, Case Studies, Data Analysis Software, Student-Centred Learning, Education Software and Technology, Higher Education, Instructional Strategies
Beginner · Specialization · 3 - 6 Months