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.

Skills you'll gain: Java Programming, Solution Design, Query Languages, Software Architecture
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Web Applications, Microservices, Software Architecture, Software Engineering, System Testing, Data Infrastructure, Software Systems, System Monitoring, Functional Requirement, Application Deployment, Site Reliability Engineering, Middleware, Distributed Computing, Prototyping, Big Data
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Interplay Learning
Skills you'll gain: Basic Electrical Systems, Electrical Systems, Electrical Power, HVAC, Electrical Engineering, Energy and Utilities, Electronics, Electronic Components, electromagnetics, Physics, Systems Of Measurement, Engineering Calculations
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Pipelines, Data Processing, Data Import/Export, Data Infrastructure, Linux Commands, Linux, File Systems, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Administration, Cryptography, Firewall, Cryptographic Protocols, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, IT Security Architecture, Cyber Attacks, Security Controls, Public Key Infrastructure, Network Monitoring, Encryption, Network Planning And Design, Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches
Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Business Ethics, Data Ethics, Responsible AI, Case Studies, Regulatory Compliance, Governance, Ethical Standards And Conduct, Regulatory Requirements, Compliance Management, Law, Regulation, and Compliance, AI literacy, Artificial Intelligence, Decision Intelligence, Accountability, Information Privacy, Business Strategies, Social Impact, Social Justice
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Learning Management Systems, Web Content Accessibility Guidelines, Educational Materials, Instructional Design, Education Software and Technology, Test Tools
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Financial Forecasting, Risk Management, Predictive Modeling, Financial Data, Risk Analysis, Generative AI, Financial Modeling, Financial Analysis, Predictive Analytics, Market Data, Financial Statement Analysis, Data-Driven Decision-Making, Market Trend, Investment Management, Portfolio Management, Financial Reporting, Analysis, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Bash (Scripting Language), Devops Tools, Collaborative Software, Software Configuration Management, Development Environment, Configuration Management, Command-Line Interface, Key Management, Software Installation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Cleansing, Data Quality, Data Wrangling, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Javascript, Web Development Tools, Middleware, Web Development
Intermediate · Course · 1 - 4 Weeks