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: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Android Development, React.js, Javascript, Unit Testing, Test Script Development, Node.JS, Package and Software Management, Programming Principles, Object Oriented Programming (OOP), Event-Driven Programming, Functional Design
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Security Strategy, Security Management, Cyber Threat Intelligence, Cyber Attacks, Cyber Security Policies, Security Strategy, Threat Management, Computer Security, Policy Analysis, Research, and Development, World History, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Generative Engine Optimization (GEO), Content Marketing, Web Analytics, Blogs, Content Optimization, Search Engine Marketing, Content Creation, MarTech, Marketing Strategy and Techniques, Content Performance Analysis, Content Development and Management, Digital Marketing Tools, Digital Marketing, Growth Strategies, Content Strategy, Market Research, Customer Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: IntelliJ IDEA, Software Design, Software Configuration Management, Object Oriented Programming (OOP), Apache Maven, Object Oriented Design, Integrated Development Environments, Software Development Tools, Build Tools, Version Control, Software Architecture, Git (Version Control System), GitHub, Data Import/Export, Development Environment, Java, Program Development, Kotlin, Debugging, Software Installation
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Detection, Threat Management, Endpoint Detection and Response, Cybersecurity, Security Information and Event Management (SIEM), Anomaly Detection, Generative AI, Endpoint Security, Event Monitoring, Digital Forensics, Network Analysis, Linux
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Network Infrastructure, Communication Systems, Telecommunications, Digital Signal Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Generally Accepted Auditing Standards, Auditing, Internal Controls, Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Auditors Report, Internal Auditing, Continuous Monitoring, Compliance Auditing, Quality Assessment, Project Coordination, Quality Assurance, Information Systems Security, Presentations
Intermediate · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Content, Social Media Strategy, Social Media Management, Social Media Analytics, Social Media Campaigns, Content Marketing, Instagram, Digital Media Strategy, Digital Advertising, Facebook, Digital Marketing, Paid media, Content Creation, Content Strategy, Earned Media, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Apache Spark, Microsoft Azure, Data Integration, Data Lakes, File Systems, Data Processing, Big Data, File Management, Cloud Platforms, Cloud Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Cyber Attacks, Cybersecurity, Identity and Access Management, Authentications, Security Controls, Threat Management, Data Security, Information Privacy, Cyber Risk, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Command-Line Interface, Data Pipelines, Java, Java Programming, Enterprise Application Management, Real Time Data, Unix Commands, Data Integration, Distributed Computing, Performance Tuning, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
Intermediate · Specialization · 3 - 6 Months