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.
Starweaver
Skills you'll gain: Credit Risk, Lending and Underwriting, Underwriting, Risk Analysis, Risk Management, Business Risk Management, Case Studies, Financial Analysis, Financial Statement Analysis, Corporate Finance, Financial Modeling, Stakeholder Communications, Cash Flows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Probability & Statistics, Statistics, Data Science
Beginner · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Computer Programming, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, Build Tools, Web Development, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Student-Centred Learning, Education and Training, Teaching, Community Development, Instructional Design, Social Justice, Diversity Equity and Inclusion Initiatives, Advocacy, Driving engagement, Time Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: R Programming, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Bitbucket, Version Control, Software Versioning, GitLab, Software Configuration Management, Collaborative Software, Integrated Development Environments, Software Development, Code Review, IntelliJ IDEA, Microsoft Visual Studio, Eclipse (Software), Linux, Command-Line Interface
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: SQL, Relational Databases, Query Languages, Databases, Stored Procedure, Data Manipulation, Database Management Systems, Data Access, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Programming Principles, Application Development
Beginner · Project · Less Than 2 Hours