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.

Board Infinity
Skills you'll gain: Mindfulness, Stress Management, Composure, Personal Development, Emotional Intelligence, Resilience, Self-Awareness, Mental Health, Mental Concentration, Respiration, Physiology, Neurology
Beginner · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Computer Science, Computer Engineering, Computer Architecture, Computer Programming, System Programming, Virtual Machines, Operating Systems, Software Architecture, Algorithms, Software Design, Program Development, Object Oriented Programming (OOP), Data Structures, Computer Graphic Techniques
Mixed · Course · 1 - 3 Months

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

Duke University
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Basic Electrical Systems, Market Dynamics, Operating Cost, Plant Operations and Management, Operational Efficiency, Environmental Regulations, Regulatory Compliance, Dispatching, Capacity Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jira (Software), Issue Tracking, Investigation, Data Quality, Data Validation, Data Integrity, Reconciliation, Change Control, Anomaly Detection, Dependency Analysis, Verification And Validation, Trend Analysis, Analysis, Project Documentation, Auditing, Workflow Management, Project Management, Leadership and Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Sales, AI Personalization, Responsible AI, Sales Prospecting, Sales Enablement, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months
Scrum Alliance
Skills you'll gain: User Story, Agile Product Development, Team Building, Team Management, Agile Methodology, Agile Project Management, User Research, Agile Software Development, Product Management, Organizational Change, Continuous Improvement Process, Project Management, Change Management
Beginner · Course · 1 - 3 Months

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, JavaScript Frameworks, Front-End Web Development, Full-Stack Web Development, Web Design and Development, UI Components, Web Applications, Web Development, Javascript, JSON, Event-Driven Programming, Data Access, Application Programming Interface (API), Dataflow
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Editing, Writing, Proofreading, Report Writing, English Language, Style Guides
Mixed · Course · 1 - 3 Months

Skills you'll gain: Payroll Processing, Accounting Software, Financial Reporting, Payroll, Business Reporting, Accounting, General Accounting, Ledgers (Accounting), Tax Management, Workflow Management, Vendor Management, Accounts Payable, Small Business Accounting, Accounts Receivable, Reconciliation, Inventory and Warehousing, Tax Compliance, Inventory Management System, System Configuration, Billing & Invoicing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · Course · 1 - 3 Months