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.

Scrimba
Skills you'll gain: Data Structures, Programming Principles, Python Programming, User Interface (UI), Scripting, Scripting Languages, Computer Programming, Web Development Tools, Software Engineering, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Microsoft Azure, Cloud Computing Architecture, Cloud Computing, Cloud Services, Infrastructure As A Service (IaaS), Infrastructure as Code (IaC), Cloud Security, System Monitoring, Role-Based Access Control (RBAC), Scalability
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Statistical Analysis, Data Analysis Software, STATA (Software), Data Integration, Data Ethics, Stata, R Programming, Sampling (Statistics), Statistical Modeling, Descriptive Statistics, Regression Analysis, Logistic Regression, Informed Consent
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: ServiceNow, Problem Management, Incident Management, IT Service Management, Information Technology Infrastructure Library, Release Management, Service Management, Change Management, Problem Solving, Root Cause Analysis, IT Management, Operational Efficiency, Automation, Workflow Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Web Services, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Tencent Cloud
Skills you'll gain: Data Storage Technologies, Cloud Computing, Cloud Platforms, Cloud Storage, Cloud Security, Cloud Services, Databases, Public Cloud, Relational Databases, Virtual Machines, Virtual Networking, Load Balancing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Programming, Programming Principles, Data Import/Export, Data Structures, Integrated Development Environments, Python Programming, Computer Science
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Emotional Intelligence, Conflict Management, Empathy & Emotional Intelligence, Cognitive flexibility, Dealing With Ambiguity, Team Leadership, Team Performance Management, Leadership and Management, Communication, Team Management, Resilience, Growth Mindedness, Team Building, Decision Making, Stress Management, Team Motivation, Psychology, Performance Management, Behavioral Management, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Devops Tools, Collaborative Software, Code Review, Software Configuration Management, Software Development Tools, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Object Oriented Design, Software Development Methodologies, Unified Modeling Language, Systems Analysis, Program Development, Object Oriented Programming (OOP), Software Design, Software Design Patterns, C and C++, Requirements Analysis, Software Engineering, Java, Systems Design, C++ (Programming Language), Java Programming, C# (Programming Language), Human Computer Interaction
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Architecture, Extract, Transform, Load, Data Security, Data Transformation, Data Pipelines, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks