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.
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, General Networking, Javascript, Network Security, Computer Networking, Application Security, Computational Thinking, Computer Programming Tools, Visualization (Computer Graphics), Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Store, Data Architecture, Apache Hadoop, Extract, Transform, Load, Relational Databases, Big Data, Data Storage, Databases, Operational Databases, Apache Spark, Data Storage Technologies, Data Lakes, Data Warehousing, Data Governance, Data Pipelines, Data Integration, Data Processing, SQL, NoSQL, Data Science
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Containerization, Kubernetes, Cloud-Native Computing, Distributed Computing, Load Balancing, Dataflow, Scalability, Unit Testing, Data Pipelines, Test Script Development, Test Automation, API Gateway, Server Side, Microservices, Event-Driven Programming, Javascript, Software Architecture, Web Development, Web Applications
Intermediate · Specialization · 3 - 6 Months

University of Manchester
Skills you'll gain: Biotechnology, Biological Engineering, Sustainable Technologies, Process Engineering, Molecular Biology, Chemical Engineering, Molecular, Cellular, and Microbiology, Sustainable Engineering, Life Sciences, Biochemistry, Pharmaceuticals, Manufacturing and Production, Materials science, Medical Science and Research, Drug Development, Process Analysis, Scalability
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Data Structures, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming, Computational Thinking, Software Development Tools, Development Environment, Data Storage, Functional Design, Integrated Development Environments, Software Documentation, Code Reusability, Data Import/Export, Jupyter
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Branding, Brand Marketing, Brand Strategy, Legal Strategy, Brand Management, Case Law, Packaging and Labeling, Asset Protection, Legal Risk, Regulation and Legal Compliance, Case Studies, Asset Management, Law, Regulation, and Compliance, Marketing, Innovation, Strategic Thinking, Business Strategy, Economics, Policy, and Social Studies, Planning
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Sampling (Statistics), Exploratory Data Analysis, R (Software), Probability & Statistics, Statistical Inference, Probability Distribution, Bayesian Statistics, R Programming, Data Analysis, Probability, Statistics, Statistical Methods, Statistical Analysis, Statistical Software, Descriptive Statistics
Beginner · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Laboratory Reports, Molecular Biology, Research Reports, Molecular, Cellular, and Microbiology, Biology, R (Software), Correlation Analysis, Informatics, Data Visualization Software, Biotechnology, Scientific Visualization, Network Model, Data Analysis Software, Data Synthesis, Life Sciences, Data Analysis, Microbiology, Analysis
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Context Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data Visualization, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, R (Software), Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning, Statistical Methods
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Web Development Tools, Javascript, Debugging, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Web Design, Interactive Design, Event-Driven Programming, Web Design and Development, HTML and CSS, Web Development, Cascading Style Sheets (CSS), Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Performance Tuning, Frontend Performance, OS Process Management, Server Side, Performance Testing, Management Consulting
Intermediate · Course · 1 - 4 Weeks