Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, Software Design, Interactive Design, Development Environment, Software Installation, User Centered Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Market Data, Financial Analysis, Return On Investment
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electrical Systems, Electronics, Design Specifications, Hardware Design, Electronics Engineering, Electronic Hardware, Technical Design, Electronic Components, Engineering Design Process, Electronic Systems, Verification And Validation, Manufacturing Processes, Manufacturing and Production, Design Software, Project Documentation, Production Process, Design, Design Strategies, Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, LangChain, Generative AI, LLM Application, Tool Calling, AI Workflows, AI Orchestration, Prompt Engineering, Automation, Data Integration, Cross Platform Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Success Management, Crisis Management, Customer Relationship Building, Customer Retention, Customer Relationship Management (CRM) Software, Customer Engagement, Customer Relationship Management, Customer Data Management, Employee Onboarding, Customer experience improvement, Company, Product, and Service Knowledge, Performance Metric, Business Metrics, Key Performance Indicators (KPIs), Account Management, Stakeholder Engagement, Operational Excellence, Product Knowledge, Customer Insights, Smart Goals
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Application Development, Object Oriented Design, Application Design, Program Development, Business Logic, User Interface (UI), Data Entry, Verification And Validation, Command-Line Interface, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Animation and Game Design, 3D Assets, Animations, Visualization (Computer Graphics), Computer Graphics, Graphics Software, Design and Product
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Google Workspace, Calendar Management, Google Docs, Gmail, File Management, Google Sheets, Productivity Software, Collaborative Software, Scheduling, Document Management, Collaboration, Spreadsheet Software, Cloud Storage, Content Management Systems, Presentations, No-Code Development, User Interface (UI), Communication
Mixed · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Market Liquidity, Payment Systems, Blockchain, Financial Analysis, Risk Management, Digital Assets, FinTech, Financial Regulation, Financial Trading, International Finance
Mixed · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Feature Engineering, Applied Machine Learning, Unsupervised Learning, Model Evaluation, Machine Learning Algorithms, Predictive Modeling, Data Preprocessing, Classification Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Dimensionality Reduction, Performance Tuning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Regulatory Compliance, Risk Analysis, Data Ethics, Emerging Technologies, Cloud Security, AI Security, Blockchain
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Amazon Web Services, Amazon CloudWatch, Containerization, Amazon S3, Docker (Software), Cloud Computing Architecture, Microservices, Cloud Computing, Amazon Redshift, Virtual Networking, AWS Identity and Access Management (IAM), Data Storage, Cloud Management, Analytics, System Monitoring, Data Storage Technologies, Cloud Hosting, Hybrid Cloud Computing, Private Cloud, Network Security
Beginner · Specialization · 3 - 6 Months