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.

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Business Analytics, Dimensionality Reduction, Analytics, Data Cleansing, Data Transformation, Anomaly Detection, Data Manipulation, Project Management Life Cycle, Databases, R Programming, Data Analysis, Data Quality, Data Science, Big Data, Exploratory Data Analysis, Supervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Tensorflow, Google Cloud Platform, Scripting, Artificial Neural Networks, Machine Learning, Supervised Learning, Deep Learning, Cloud Computing, Development Environment
Beginner · Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Computer Programming, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Resource Management, International Relations, Mediation, Conflict Management, Negotiation, Governance, Environmental Laws, Data Collection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Data-Driven Decision-Making, Analytics, Data Science, Feature Engineering, Data Preprocessing, Machine Learning, Telemarketing, Model Deployment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Microsoft Azure, Data Lakes, Data Analysis Expressions (DAX), Azure Synapse Analytics, Data Modeling, Data Governance, Data Warehousing, Microsoft SQL Servers, Data Analysis, Analytics, Extract, Transform, Load, Data Import/Export, Data Integration, Real Time Data, Data Mart, Data Transformation, Data Management, Data Architecture, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Drug Development, Clinical Research, Clinical Trials, Statistical Analysis, Predictive Modeling, R Programming, Data Analysis, Statistical Methods, Health Policy, Data Science, Epidemiology, Healthcare Industry Knowledge, Data Quality, Electronic Medical Record
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Music History, World Music, Classical Music, Music, Music Theory, Music Performance, Musical Composition
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Innovation, Design Thinking, Intellectual Property, Ideation, Organizational Strategy, New Product Development, Business Transformation, Strategic Partnership, Business Strategy, Risk Management, Business Process
Beginner · Course · 1 - 4 Weeks