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: Classification And Regression Tree (CART), Model Evaluation, Predictive Analytics, Predictive Modeling, Decision Tree Learning, Data Preprocessing, Data-Driven Decision-Making, Marketing Analytics, Feature Engineering, Classification Algorithms, Financial Forecasting, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Artifactory, Apache Maven, CI/CD, DevOps, Build Tools, Software Configuration Management, Java, GitHub, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Mobile Banking, Banking Services, Data Sharing, Financial Regulation, Application Programming Interface (API), Financial Data, Banking, Payment Systems, International Finance, Retail Banking, API Design, Finance, Interoperability, Open Source Technology, Strategic Thinking, Data Access, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Multimodal Prompts, Embeddings, Large Language Modeling, Generative AI, Vector Databases, Image Analysis, Applied Machine Learning
Intermediate · Project · Less Than 2 Hours

École Polytechnique
Skills you'll gain: Digital Transformation, Business Transformation, Technology Strategies, Business Technologies, E-Commerce, Business Management, Innovation, Business, Customer Acquisition Management, Data Management, Marketing Strategies, Data-Driven Decision-Making, Scalability, Customer experience strategy (CX), Presentations
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HubSpot CRM, Team Building, Customer Relationship Management (CRM) Software, Team Management, Business Reporting, Marketing Automation, Email Marketing, Customer Data Management, Sales Enablement, Marketing, Customer Service
Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Multi-Factor Authentication, Data Security, Security Strategy, Azure Active Directory, Database Architecture and Administration, Virtual Machines, Microsoft Azure, Cloud Security, Security Controls, Identity and Access Management, Network Security, Role-Based Access Control (RBAC), Encryption, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Go (Programming Language), Debugging, Unit Testing, Verification And Validation, Application Frameworks, Programming Principles, Web Development, Web Applications, Data Structures, Development Environment, Object Oriented Programming (OOP), Software Design, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Presentations, Storytelling, Data Storytelling, Persuasive Communication, Public Speaking, Verbal Communication Skills, Drive Engagement, Motivational Skills, Communication, Target Audience, Leadership
Advanced · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Performance Analysis, Analytics, Data-Driven Decision-Making, Scheduling, Labor Relations, Team Performance Management, Linear Algebra, Data Management, Administration, Contract Management, Team Management, Data Analysis Software, R (Software), Contract Negotiation, Operations Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Mapping, Extract, Transform, Load, Data Validation, Workflow Management, JSON, Fraud detection, Extensible Markup Language (XML), Metadata Management, Process Design, Data Integration, Data Cleansing, Data Transformation, Data Pipelines, Data Processing, Anomaly Detection, Data Modeling, Credit/Debit Card Processing
Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Leadership and Management, Organizational Structure, Organizational Leadership, Music, Business Management, Storytelling, Leadership, Productivity, Workforce Management, Innovation, Writing and Editing, Employee Engagement, Analysis
Beginner · Course · 1 - 4 Weeks