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.

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Front-End Web Development, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Java Platform Enterprise Edition (J2EE), Web Applications, Secure Coding, Amazon Elastic Compute Cloud, Back-End Web Development, Spring Boot, Model View Controller, Responsive Web Design, Javascript
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Bayesian Network, Statistical Methods, Statistical Analysis, Data Analysis, R Programming, Data-Driven Decision-Making, Statistical Inference, Markov Model, Simulations, Probability Distribution
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Financial Statement Analysis, Budget Management, Accounting, Finance, Financial Planning
Mixed · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: Data Engineering, Data Pipelines, Database Management, Data Manipulation, Databases, Data Transformation, Extract, Transform, Load, Data Warehousing, Change Control, DevOps, Cloud Development, SQL, Data Integration, CI/CD, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Software Development Tools, Stored Procedure, Data Analysis
Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Apache Kafka, JUnit, Spring Boot, Unit Testing, Integration Testing, Data Pipelines, Restful API, Event-Driven Programming, Encryption, Distributed Computing
Intermediate · Course · 3 - 6 Months

HRCI
Skills you'll gain: Talent Acquisition, Recruitment, Full Cycle Recruitment, Job Analysis, Recruitment Strategies, Employee Onboarding, Negotiation, Employee Retention, Talent Sourcing, Talent Management, Human Resources, Interviewing Skills, Forecasting, Labor Law
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Programming Principles, Artificial Intelligence, Computer Programming, Scientific Visualization, Game Design
Beginner · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Responsible AI, Tensorflow, PyTorch (Machine Learning Library), Internet Of Things, Real Time Data, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Telecommunications, Artificial Intelligence, Emerging Technologies, Generative AI, Wireless Networks, Generative AI Agents, Network Performance Management, Network Architecture, Digital Communications, Network Protocols, Computer Networking, System Design and Implementation, Communication
Advanced · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Load Balancing, Prompt Engineering, Kubernetes, Network Monitoring, Containerization, Virtual Networking, Network Architecture, Network Security, Cloud Storage, Cloud Services, Identity and Access Management, Application Deployment, Network Routing, Network Planning And Design, Virtual Private Networks (VPN), Hybrid Cloud Computing, TCP/IP
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: File I/O, Data Structures, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming, Computational Thinking, Development Environment, Integrated Development Environments, Jupyter
Beginner · Course · 1 - 4 Weeks