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.

Edureka
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Postpartum Care, Child Health, Infant Care, Maternal Health, Health Assessment, Family Support, Parent Communication, Child Development, Diversity Awareness, Mental Health, Relationship Building
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Statistical Hypothesis Testing, Data Science
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Ansible, Devops Tools, Containerization, Docker (Software), Artifactory, Kubernetes, Prometheus (Software), Apache Maven, GitHub, SonarQube, CI/CD, DevOps, Continuous Integration, Version Control, Application Deployment, Build Tools, Continuous Deployment, Grafana, Application Performance Management, Continuous Delivery
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Design Elements And Principles, Creativity
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Human Resources, Data Ethics, Generative AI, AI Enablement, Recruitment, Talent Recruitment, Employee Engagement, Human Resource Strategy, AI Personalization, Employee Performance Management, Automation, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Enablement, Development Environment, Computer Programming Tools, Prompt Engineering
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Promotion, Behavioral Health, Mental and Behavioral Health, Health Education, Cultural Sensitivity, Public Health, Health Policy, Community Health, Social Sciences, Program Evaluation, Learning Theory
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Mockups, Test Case, Test Driven Development (TDD), Java
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming, Web Services, Programming Principles, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Design Thinking, Business Modeling, Entrepreneurship, Value Propositions, New Product Development, Market Opportunities, Gap Analysis, Innovation, Technology Strategies, Strategic Thinking, New Business Development, Engineering Management, Market Analysis, Business Strategies, Competitive Analysis, Sustainable Business, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months