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: Penetration Testing, Brute-force attacks, Encryption, Network Security, Cybersecurity, Data Storage, Vulnerability Assessments, Wireless Networks, Authentications, Data Security, Cyber Attacks, Drupal, Mac OS, Linux, Blockchain
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, Data Store, Performance Tuning, Transaction Processing, Operational Databases, Server Administration, Scalability, Scripting, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software, Computer Literacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Apache, Web Design, Front-End Web Development, PHP (Scripting Language), Application Servers, User Interface and User Experience (UI/UX) Design, Full-Stack Web Development, HTML and CSS, Web Development, UI Components, Web Servers, Email Automation, Usability, Development Testing, Interactive Design, Java Platform Enterprise Edition (J2EE), Web Analytics and SEO
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Incident Response, Computer Security Incident Management, Operational Risk, Case Studies, Security Management, Risk Management, Risk Mitigation, Intellectual Property, Crisis Management, Cybersecurity, Manufacturing Operations, Security Controls, Security Strategy, Cyber Security Strategy, Cyber Attacks, Cyber Engineering, Continuous Monitoring, Compliance Reporting, Governance, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Large Language Modeling, Data Preprocessing, Generative AI, Workflow Management, Artificial Intelligence, Responsible AI, Embeddings, Context Management, Automation, Metadata Management, JSON
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Portfolio Risk, Supply And Demand, Insurance Policies, Risk Management, Investments, Wealth Management, Risk Management Framework, Portfolio Management, Market Dynamics, Financial Planning, Investment Management, Finance, Economics, Asset Management, Financial Management, Economic Development, Behavioral Economics, Cost Benefit Analysis, Business Economics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Deployment, Apache Spark, Time Series Analysis and Forecasting, MLOps (Machine Learning Operations), Big Data, Feature Engineering, Distributed Computing, Forecasting, Anomaly Detection, Generative AI, Real Time Data, Predictive Modeling, Exploratory Data Analysis, Data Pipelines, Model Evaluation, Data Cleansing, Data Transformation, Statistical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Microsoft Azure, Infrastructure As A Service (IaaS), Data Processing, Big Data, Apache Spark, Artificial Intelligence and Machine Learning (AI/ML), Databricks, Infrastructure Security, Data Pipelines, Virtual Networking, Azure DevOps, Virtual Machines, Azure Active Directory, Analytics, Active Directory, Network Security, Model Deployment, Python Programming, Role-Based Access Control (RBAC)
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: R Programming, R (Software), Plot (Graphics), Data Visualization, Statistical Visualization, Statistical Modeling, Data Analysis, Data Science, Statistical Analysis, Data Import/Export, 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

Coursera
Skills you'll gain: Dashboard, Issue Tracking, Data Visualization, Microsoft Excel, Project Management Software, Project Schedules, Key Performance Indicators (KPIs), Agile Project Management, Project Management, Workflow Management, Analysis, Data Management
Beginner · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Manual Therapy, Exercise Therapy, Mobility Assistance, Rehabilitation, Exercise Science, Patient Evaluation, Physical Therapy, Athletic Training, Health Assessment, Clinical Assessment, Kinesiology, Respiratory Therapy, Pain Management, Human Musculoskeletal System, Anatomy, Respiration, Patient Observation, Cognitive Behavioral Therapy, Health And Wellness Coaching
Intermediate · Course · 1 - 4 Weeks