Topic 1. The Java platform and JDK 27, IntelliJ IDEA, program structure, and the Git version control system

Goal: learn to create and run Java programs in an IDE and a terminal, pass arguments, and maintain a local Git history.

Lecture contents

1. The Java platform and JDK — Language and platform · JDK, JVM, and the class library · Installing the JDK and checking the path
2. Compilation, execution, and program structure — Compiling and running in a terminal · Structure of a regular program
3. IntelliJ IDEA, JShell, and errors — IntelliJ IDEA: project and configuration · JShell as an exploration tool · Local Git repository
4. Git and submitting your work — Errors and how to check them · Sharing a completed example

Practice and review

• Practice — 3 worked examples with complete code
• Tasks — 30 variants, each with tasks at three difficulty levels
• Summary — conclusions and self-check questions