Java Kurs

Lerne Java von Grund auf mit interaktiven Lektionen, praktischen Aufgaben und einem Online-Compiler. Kostenloser Kurs für Anfänger und Fortgeschrittene.

🧩 Übungsaufgaben 💻 Online-Compiler

Kurslektionen

1

Introduction to Java

Learn what Java is, how it works, and why it remains one of the most popular programming languages i…
2

Variables and Data Types in Java

Master Java variables, primitive types, and reference types. Learn how to declare and use variables …
3

Control Flow in Java

Learn how to control program flow in Java using if-else, switch, for, while, and do-while statements…
4

Methods in Java

Understand how to define and call methods in Java, including parameters, return types, and method ov…
5

Object-Oriented Programming in Java

Learn the core pillars of OOP in Java: encapsulation, inheritance, polymorphism, and abstraction wit…
6

Java Collections Framework

Master the Java Collections Framework — ArrayList, LinkedList, HashMap, HashSet, and how to choose t…