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.

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, Continuous Integration, Build Tools, CI/CD, Object Oriented Programming (OOP), Object Oriented Design, Java, Software Design Patterns, Test Script Development, Test Automation, Java Programming, Code Reusability, Software Testing, Maintainability, Test Tools, Test Case, Browser Compatibility, Software Design
Intermediate · Course · 1 - 3 Months

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

LearnQuest
Skills you'll gain: Sales Management, Team Motivation, Employee Onboarding, Mediation, Conflict Management, Drive Engagement, Team Leadership, New Hire Orientations, Sales Process, Sales Training, Employee Coaching, Employee Performance Management, Virtual Teams, Telecommuting, Team Management, Intercultural Competence, Performance Management, Rapport Building, On-The-Job Training, Team Performance Management
Beginner · Course · 1 - 4 Weeks

NIIT
Skills you'll gain: React.js, Frontend Integration, Front-End Web Development, Systems Development Life Cycle, Application Lifecycle Management, Program Development, Application Development, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Code Reusability, Test Case, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jira (Software), Issue Tracking, Backlogs, Quality Assurance, Software Quality Assurance, Test Case, Verification And Validation, Generative AI Agents, Software Testing, User Story, Product Quality (QA/QC), Management Reporting, Workflow Management, Report Writing, Quality Assessment, Business Reporting, Dashboard Creation, Dashboard, Analytical Testing, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, Linux Servers, Network Monitoring, Network Infrastructure, Network Protocols, Virtualization and Virtual Machines, Command-Line Interface, System Configuration, Virtualization, General Networking, Remote Access Systems, Network Security, Software Installation, Cryptographic Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Risk Analysis, Risk Management, Incident Management, Incident Response, Business Continuity Planning, Security Management, Threat Modeling, Computer Security Incident Management, Disaster Recovery, Vulnerability Assessments, Cyber Risk, Cyber Threat Intelligence, Continuous Monitoring, Cybersecurity, Vulnerability Management, Digital Forensics, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Git (Version Control System), DevOps, Devops Tools, Version Control, Software Development, Software Versioning, Collaborative Software, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Business Valuation, Financial Analysis, Investment Management, Finance, Strategic Decision-Making, Portfolio Risk, Excel Formulas, Governance, Governance Risk Management and Compliance, Risk Management, Financial Systems, Accounting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Solution Architecture, Enterprise Architecture, Information Technology Architecture, Microservices, Service Oriented Architecture, Software Design, Business Process Modeling, Software Design Patterns, Security Architecture Review, Technology Strategies, Event-Driven Programming, Business Modeling, Serverless Computing, Digital Transformation, Scalability, Distributed Computing, Context Management, Restful API, Innovation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Mindfulness, Resilience, Emotional Intelligence, Compassion, Communication, Interpersonal Communications, Personal Development, Meditation & Breathwork, Stress Management, Overcoming Obstacles, Personal Care, Self-Awareness, Empowerment, Mental Health, Self-Motivation, Persistence, Mental Concentration, Habit Formation, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Data Pipelines, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Performance Tuning, Live Streaming, Real Time Data, Systems Architecture, File I/O, Javascript, Object Oriented Programming (OOP), Systems Design, Code Reusability, Maintainability
Intermediate · Specialization · 3 - 6 Months