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.

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Social Network Analysis, Financial Systems, Public Health, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Software Architecture, Testability
Intermediate · Course · 1 - 4 Weeks

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

Epic Games
Skills you'll gain: Game Design, Video Game Development, Prototyping, Unreal Engine, Animation and Game Design, Virtual Reality, System Design and Implementation, Augmented and Virtual Reality (AR/VR), Creativity, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, R Programming, Statistical Reporting, Data Quality, Data Preprocessing, Statistics, Statistical Methods, Data Manipulation, Data Analysis Software, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: TypeScript, Data Structures, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Model Context Protocol, Anthropic Claude, AI Workflows, Tool Calling, Program Development, Systems Architecture, Servers, Debugging, JSON, Development Environment, Document Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Problem Solving, Vocabulary, Logical Reasoning, Critical Thinking, Deductive Reasoning, Arithmetic, Data Literacy, Analytical Skills, Complex Problem Solving, Grammar, English Language, Data Analysis, Learning Strategies, Trend Analysis, Applied Mathematics, Data Presentation, Verbal Communication Skills, Analysis, Quantitative Research, Estimation
Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Big Data, Data Management, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Process Engineering, Geostatistics, Anomaly Detection, Image Analysis, Production Process, Machine Learning, Artificial Intelligence, Physical Science, Natural Resource Management, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Infrastructure, Data Pipelines, Cloud Security, Cloud Computing, Data Processing, Data Storage Technologies, Containerization, Interoperability
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Tensorflow, Predictive Modeling, Machine Learning, Text Mining, Deep Learning, Natural Language Processing, Applied Machine Learning, Convolutional Neural Networks, Supervised Learning, Recurrent Neural Networks (RNNs), Artificial Intelligence, Classification Algorithms, Data Science, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Probability Distribution, R Programming, Statistical Visualization, Statistics, Data Visualization, Statistical Analysis, Statistical Modeling, Statistical Hypothesis Testing, Data Analysis, Probability
Beginner · Guided Project · Less Than 2 Hours