Level 1 · Entry Foundations

Goal: get comfortable reading and writing Java, understand its core building blocks, and ship a small working program.

Modules

1. Setup & First Program
2. Variables, Data Types & Operators
3. Control Flow
4. Methods & Parameters
5. Arrays & Basic Collections
6. Strings & String Formatting
7. Classes & Objects Basics
8. Exception Handling Basics
9. Packages & Build Tools Intro
10. Project — CLI Contact Book

By the end of this level you'll be able to write programs that take input, make decisions, store and process data, handle bad input gracefully, and organize code into classes and packages.