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.

Simplilearn
Skills you'll gain: Data Structures, C (Programming Language), Programming Principles, Data Management, Algorithms, Computer Programming, File I/O
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Development Environment, Web Development, Computer Programming, Program Development, Other Programming Languages, Software Development Tools
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Design Thinking, Business Transformation, Process Design, Business Process, Human Centered Design, Service Design, Innovation, Creative Problem-Solving, Ideation, Creativity, User Research, User Feedback, Empathy, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Data Science, Machine Learning Methods, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, Advanced Analytics, Data Analysis, Predictive Modeling
Beginner · Guided Project · Less Than 2 Hours

Maven Analytics
Skills you'll gain: Microsoft Copilot, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Human Resources Software, Data Manipulation, Data Analysis, Microsoft 365, Data Presentation, ChatGPT, Data Visualization, Artificial Intelligence, Generative AI, Prompt Engineering
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Data Visualization, Graph Theory, Relational Databases, Data Visualization Software, Data Storytelling, Data Analysis, Social Sciences, Statistical Analysis, Machine Learning, R Programming, Analytical Skills, Sociology, Natural Language Processing, Data Manipulation, Text Mining, Analytics, Social Impact, Statistical Modeling
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Data Structures, Programming Principles, Python Programming, User Interface (UI), Scripting, Scripting Languages, Computer Programming, Web Development Tools, Software Engineering, Web Development
Beginner · Course · 1 - 4 Weeks
University of Michigan
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Big Data, Data Mining, Data-Driven Decision-Making, Predictive Analytics, Sales Management, Ggplot2, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Customer Insights, Customer Acquisition Management, Analytics, Customer experience strategy (CX), Customer Retention, Data Manipulation, Applied Machine Learning, Machine Learning Algorithms
Beginner · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Google Ads, Online Advertising, Pay Per Click Advertising, Paid media, Keyword Research, Marketing Analytics
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Scripting, Package and Software Management, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, User Flows, Authentications, Data Management
Advanced · Course · 1 - 3 Months