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.

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Data Cleansing, Statistical Software, Data Transformation, Data Quality, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Statistical Modeling, R Programming, Regression Analysis, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Data Persistence
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Marketing and Public Relations, Integrated Marketing Communications, Marketing Communications, Public Relations, Storytelling, Strategic Communication, Target Audience, Campaign Management, Content Creation, Digital Media Strategy, Ethical Standards And Conduct, AI Personalization, Marketing Analytics
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Data Structures, Programming Principles, Program Development
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), API Testing, Unit Testing, Performance Testing, Functional Testing, Test Automation, Web Development Tools, Usability Testing, User Interface (UI), Test Case, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Tidyverse (R Package), Data Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Manipulation, R (Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, Cloud Computing Architecture, Public Cloud, Cloud Security, Data Import/Export, Load Balancing, Virtual Networking, Multi-Factor Authentication, Event Monitoring, Data Storage, MySQL, Key Management, Scalability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Architecture, Data Infrastructure, Distributed Computing, Data Modeling, Scalability, Data Management, Data Strategy, Microservices, Solution Architecture, Data Governance, Software Architecture, Semantic Web, Data Integration, Information Architecture, CI/CD, Software Design, Maintainability, Enterprise Architecture, Data Analysis, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Desktop Support, Generative AI, End User Training and Support, System Support, Prompt Engineering Tools, Technical Support, Product Support, ChatGPT, Automation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, File Management, Data Structures, Computer Programming, Algorithms, Data Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Service Recovery, De-escalation Techniques, Greeting Customers, Customer Complaint Resolution, Customer Service, Conflict Management, Client Services, Hospitality, Friendliness, Professionalism, Teamwork, Composure, Coordination, Customer experience improvement, Personalized Service, Customer Relationship Building, Verbal Communication Skills, Communication, Empathy, Active Listening
Mixed · Course · 1 - 4 Weeks