Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Web Design, Interactive Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Usability, User Interface (UI) Design, UI Components, Browser Compatibility, Web Development
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Credit Risk, Loans, Environmental Social And Corporate Governance (ESG), Bank Regulations, Risk Management, Derivatives, Financial Analysis, Risk Analysis, Financial Statement Analysis, Investment Management, Financial Market, Portfolio Management, Financial Modeling, Compliance Management, Business Valuation, Economics, Business Modeling, Structural Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Classification Algorithms, Probability Distribution, Machine Learning Algorithms, Data Processing, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, AWS CloudFormation, Cloud Storage, Infrastructure as Code (IaC), Data Security, AWS Identity and Access Management (IAM), Cloud Hosting, Cloud Security, Performance Tuning, Data Storage, Command-Line Interface, Encryption
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animations, Object Oriented Programming (OOP), User Interface (UI), Software Development Tools, C# (Programming Language), Scripting, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Linux Administration, Hardening, Linux, Security Controls, Security Engineering, Authorization (Computing), Containerization, Computer Security, System Configuration, Context Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ubuntu, Operating System Administration, TCP/IP, Security Controls, Service Management, File Management, SQL
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: .NET Framework, Testability, Maintainability, Unit Testing, Test Case, Integration Testing, Test Tools, Software Testing, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Forecasting, Data Preprocessing, Predictive Modeling, Model Evaluation, Data Manipulation, Anomaly Detection, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Border Gateway Protocol, Routing Protocols, Multiprotocol Label Switching, Network Routing, Network Routers, Virtual Private Networks (VPN), Network Troubleshooting, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, OSI Models, General Networking, Computing Platforms, Network Administration, Software-Defined Networking, Computer Networking, Network Routing, Network Engineering, Network Infrastructure, Scripting, Network Protocols, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks