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.

LearnKartS
Skills you'll gain: Billing, Billing & Invoicing, Cloud Computing, Identity and Access Management, Cost Management, Budget Management, General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Storage, Scalability, Amazon CloudWatch, Cost Estimation, Software As A Service, Databases, Platform As A Service (PaaS), Database Management, Continuous Monitoring, Cost Reduction, Network Administration
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple Xcode, iOS Development, Apple iOS, Data Structures, Programming Principles, Application Development, Object Oriented Programming (OOP), Computer Programming, Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Cloud Development, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Application Deployment, Cloud Computing Architecture, Cloud Platforms, Web Development, Web Applications, Application Performance Management, Microservices, Secure Coding
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Cultural Diversity, Organizational Effectiveness, Organizational Change
Intermediate · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Negotiation, Leadership Development, Professional Development, Organizational Leadership, Communication, Leadership, Influencing, Overcoming Obstacles, Personal Development, Empowerment, Relationship Building, Self-Awareness, Workplace inclusivity, Diversity and Inclusion, Assertiveness
Mixed · Course · 1 - 3 Months

Emory University
Skills you'll gain: Consulting, Management Consulting, Business Consulting, Benchmarking, Microsoft Excel, Business Research, Analysis, Market Research, Competitive Analysis, Market Analysis, Data Modeling, Supply Chain, Interviewing Skills, Trend Analysis, Business Strategy
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Program Management, Return On Investment, Project Portfolio Management, Organizational Strategy, Project Management, Project Management Life Cycle, Leadership and Management, Benefits Administration, Project Closure, Strategic Decision-Making, Governance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, Development Testing, Web Applications, JSON
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Eclipse (Software), Integrated Development Environments, Computer Architecture, Hardware Architecture, Software Development, Embedded Systems, Debugging, Verification And Validation, System Design and Implementation, Simulations, System Configuration
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Prototyping, Engineering Drawings, Product Design, Product Development, Hardware Design, Research and Design, 3D Modeling, Mockups, Industrial Design, Development Testing, Computer-Aided Design, Usability Testing, Design Specifications, Manufacturing Processes, Cost Estimation, Materials science, Ideation, Mechanical Engineering, User Feedback
Beginner · Specialization · 1 - 3 Months

IIMA - IIM Ahmedabad
Skills you'll gain: Strategic Thinking, Game Theory, Behavioral Economics, Business Strategy, Strategic Decision-Making, Complex Problem Solving, Problem Solving, Strategic Leadership, Critical Thinking, Decision Making, Market Dynamics, Organizational Change, Business Analysis, Economics, Digital Media Strategy, Market Opportunities, Negotiation, Risk Management, Mergers & Acquisitions, Innovation
Intermediate · Course · 1 - 3 Months