: Their Java Programming course is widely considered the best free interactive guide for beginners.
: Many university repositories or public GitHub "awesome-java" lists host similar introductory PDFs.
: Basics of Multithreading, File I/O operations, and the Collections Framework (ArrayList, HashMap, etc.). How to Access
: Introduction to the Java Virtual Machine (JVM), setting up the JDK, and writing your first "Hello World" program.
: The official documentation is the most accurate resource for modern Java (Java 17+).
