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: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Web Applications, UI Components, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Serverless Computing, Identity and Access Management, AWS Identity and Access Management (IAM), Amazon Web Services, Cloud Computing Architecture, Cloud Security, Network Architecture, Solution Architecture, Cloud Engineering, IT Security Architecture, Cloud Services, Amazon Redshift, Cloud Solutions, Amazon Elastic Compute Cloud, Cloud Computing, User Provisioning, Security Management, Cloud Platforms, Cloud Infrastructure, Cloud Storage
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Database Management Systems, Databases, Database Development, Data Management, Data-Driven Decision-Making, Data Science, Histogram, Data Visualization Software, Business Analytics, Data Visualization, Statistical Analysis, Matplotlib, Business, E-Commerce, Environment
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, General Science and Research, Software Development Tools, GitHub, Statistical Programming, Git (Version Control System), Software Versioning, Software Configuration Management, Data Analysis, Statistical Reporting, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Microsoft Visual Studio, R (Software), Microsoft Excel, R Programming, Data Sharing, Data Processing, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Market Research, Business Research, Research Reports, Market Analysis, Business Requirements, Market Share, Marketing, Business Analysis, Project Scoping, Requirements Elicitation, Project Documentation, Business Priorities, Stakeholder Engagement, Market Trend, Data Capture, Record Keeping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Linux, Package and Software Management, Linux Administration, File Management, Operating System Administration, Linux Commands, Systems Administration, File Systems, Open Source Technology, System Configuration, Software Installation, Operating Systems, Virtualization, User Interface (UI)
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NoSQL, Operational Databases, Data Migration, Database Administration, Database Architecture and Administration, Relational Databases, PostgreSQL, Database Management, Database Design, SQL, Database Systems, Google Cloud Platform, Data Store, Databases, Distributed Computing, MySQL, Database Management Systems, System Configuration, Data Access, Disaster Recovery
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Ggplot2, R Programming, Plot (Graphics), Data Visualization, Data Manipulation, Statistical Visualization, Statistical Modeling, Data Analysis, Data Science, Statistical Analysis, Statistical Machine Learning, Machine Learning Methods, Machine Learning, Decision Tree Learning, Machine Learning Algorithms, Regression Analysis, Data Structures, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Development, Application Design, Typography, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), Security Requirements Analysis, Personally Identifiable Information, Incident Response, Law, Regulation, and Compliance, Regulatory Compliance, Compliance Management, Data Security, Computer Security Incident Management, Regulation and Legal Compliance, Incident Management, Regulatory Requirements, Data Management, Data Access, Security Management, Legal Risk, Data Sharing, Personal Attributes
Beginner · Course · 1 - 3 Months

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Back-End Web Development, Web Design, Front-End Web Development, Web Design and Development, Application Servers, HTML and CSS, Web Development, Web Applications, Email Automation, Usability, Java Platform Enterprise Edition (J2EE), UI Components
Beginner · Course · 1 - 4 Weeks