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: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Database Systems, Operational Databases, Multi-Tenant Cloud Environments, Data Migration, Database Management, Data Storage Technologies, Software Installation, Performance Tuning, User Accounts, System Configuration, SQL, Virtual Environment, Disaster Recovery
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Architecture, Computer Networking, TCP/IP, Network Protocols, General Networking, Network Infrastructure, Wireless Networks, Network Routing, Local Area Networks, Network Security, Virtual Local Area Network (VLAN), Load Balancing, Wide Area Networks, Cloud Computing
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Model Evaluation, Predictive Modeling, Model Deployment, Predictive Analytics, R Programming, Data Analysis, Statistical Analysis, Data Cleansing, Applied Machine Learning, Data Manipulation, Tidyverse (R Package), Classification Algorithms, Risk Modeling, Data Preprocessing, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Microsoft Azure, Analytics, Data Warehousing, Data Integration, Extract, Transform, Load, Data Cleansing, Data Modeling, Dashboard, Data Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Supply Chain, Logistics, Supply Chain Management, Supply Chain Planning, Performance Measurement, Transportation Operations, Operations Management, Sustainable Business, Customer Relationship Building, Corporate Sustainability, Customer Relationship Management, Procurement, Warehouse Management, Supplier Relationship Management, Enterprise Risk Management (ERM), Inventory Control
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming, Web Services, Programming Principles, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Data Collection, Institutional Review Board (IRB), Public Health, Research Design, Health Assessment, Policy Analysis, Healthcare Ethics, Surveys, Maternal Health, Statistical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Deep Learning, Transfer Learning, Image Analysis, Computer Vision, PyTorch (Machine Learning Library), Artificial Neural Networks, Tensorflow, Classification Algorithms, Machine Learning, Supervised Learning, Data Processing, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, R Programming, Statistical Analysis, Statistical Modeling, Regression Analysis, Data Analysis, Probability Distribution
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Persuasive Communication, Patient Communication, Interviewing Skills, Cultural Sensitivity, Cultural Diversity, Media and Communications, Diversity Awareness, Public Health, Interpersonal Communications, Rapport Building, Driving engagement
Beginner · Course · 1 - 4 Weeks