Learn IJAVA with Real Code Examples
Updated Nov 26, 2025
Learning Path
Set up Jupyter Notebook with IJava kernel
Learn Java basics in interactive cells
Explore algorithms and data structures
Use visualization libraries for graphs
Document and share notebooks
Skill Improvement Plan
Week 1: Java syntax and basic programs
Week 2: Object-oriented programming
Week 3: Data structures and collections
Week 4: Algorithm implementation and visualization
Week 5: Sharing notebooks and collaborative exercises
Interview Questions
What is IJava and what is it used for?
How does IJava integrate Java into Jupyter?
What are its strengths and limitations?
How do you manage libraries and dependencies?
When would you not use IJava?
Cheat Sheet
Shift+Enter - run cell
Esc+B / Esc+A - insert cell below/above
Markdown for documentation
System.out.println() - display output
import java.util.* - import libraries
Restart kernel - reset execution state
Books
Interactive Java Programming with IJava
Learning Java in Jupyter Notebooks
Java Algorithms and Data Structures in IJava
Teaching Java with Notebooks
Exploratory Java Programming in Jupyter
Tutorials
Getting Started with IJava Kernel
Interactive Java Programming in Jupyter
Visualizing Java Data in IJava
Teaching Java Concepts with IJava
Prototyping Java Algorithms in Notebooks
Official Docs
https://github.com/SpencerPark/IJava
https://github.com/SpencerPark/IJava#readme
Community Links
IJava GitHub repository
Jupyter Community Forum
Stack Overflow #ijava
Reddit r/Jupyter
Educational Java tutorials online
Community Support
IJava GitHub repository
Jupyter Community Forum
Stack Overflow #ijava
Educational Java communities
Online tutorials and documentation