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.

O.P. Jindal Global University
Skills you'll gain: Model Evaluation, Supervised Learning, Scikit Learn (Machine Learning Library), Tensorflow, Applied Machine Learning, Artificial Neural Networks, Python Programming, NumPy, Matplotlib, Deep Learning, Image Analysis, Machine Learning, Embeddings, Pandas (Python Package), Convolutional Neural Networks, Natural Language Processing, Regression Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Application Development, Web Applications, Javascript
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Big Data, Data Mining, Predictive Analytics, Data-Driven Decision-Making, Sales Process, Ggplot2, Data Visualization Software, Plot (Graphics), Data Modeling, Customer experience strategy (CX), R Programming, Customer Insights, Analytics, Business Metrics, Data Science, Data Manipulation, Applied Machine Learning, Machine Learning Algorithms
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Front-End Web Development, Development Environment, UI Components, Javascript, Data Persistence, Event-Driven Programming, Data Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Computational Thinking, Debugging, Algorithms, Programming Principles, Front-End Web Development, Javascript, Computer Programming, Data Structures, Web Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Design Thinking, Business Transformation, Process Design, Business Process, Human Centered Design, Service Design, Innovation, Creative Problem-Solving, Ideation, Creativity, User Research, User Feedback, Empathy, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Test Script Development, Continuous Integration, Test Execution Engine, Test Tools, Automation, Scripting, Web Scraping, Hypertext Markup Language (HTML), Software Design Patterns, Development Environment, Integrated Development Environments, Debugging, Command-Line Interface, File I/O
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Amazon Web Services, Database Administration, Database Design, Amazon CloudWatch, Amazon DynamoDB, Amazon Redshift, Data Migration, Database Architecture and Administration, Database Management, Database Management Systems, Disaster Recovery, Databases, Relational Databases, AWS Identity and Access Management (IAM), NoSQL, AWS CloudFormation, Cloud Security, Key Management, Encryption, Amazon S3
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Marketing Strategies, Marketing, Branding, Global Marketing, Social Media Marketing, Brand Management, Loyalty Programs, Digital Marketing, Strategic Partnership, Event Planning, Consumer Behaviour, E-Commerce, Business Modeling, Augmented Reality, Price Negotiation, Virtual Reality, Blockchain, Business Analysis, Data Analysis, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Rmarkdown, Box Plots, Plot (Graphics), Descriptive Statistics, Scatter Plots, Histogram, Jupyter, Matplotlib, Data Presentation, Ggplot2, Statistical Visualization, Data Manipulation, Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Data Visualization Software, Data Analysis, R Programming, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Data Architecture, Enterprise Architecture, Data Migration, Data Modeling, Data Warehousing, Data Management, Data Processing, Data Storage, DevOps, Data Governance, Data Integration, Application Frameworks, Data Transformation, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks