Java for Beginners: Complete Course

The book "Java for Beginners: Complete Course" is a practical guide that will take you from installing the JDK to writing your first full-fledged programs in Java. The material is structured from simple to complex and requires no prior programming knowledge.

What This Book Is About

The book systematically covers all key topics needed to start Java development:

• Syntax Basics — variables, data types, operators, conditional statements, and loops.
• Object-Oriented Programming (OOP) — classes, objects, inheritance, polymorphism, encapsulation, and abstraction.
• Working with Data — arrays, strings, collections (List, Set, Map), and file input/output.
• Error Handling — exceptions, try-catch-finally, creating custom exceptions.
• Practical Projects — calculator, task manager, "Guess the Number" game, and a simple notes application.

Who This Book Is For

• Students and schoolchildren starting to learn programming.
• Self-learners who want to master Java from scratch using structured material.
• Developers from other languages who wish to learn Java to expand their skills.
• Anyone planning to move into Android development or server-side Java technologies in the future.

What You Will Learn After Reading

• Understand the basic principles of imperative and object-oriented programming.
• Learn to write clean and readable code following Java conventions.
• Master working with core data structures and algorithms: sorting, searching, recursion.
• Be able to independently create console applications and handle errors.
• Gain a solid foundation for studying more advanced topics: multithreading, JDBC, frameworks.

Each chapter contains code examples, self-test questions, and practical assignments. The book is suitable both for self-study and for use as a textbook in courses. All examples have been tested on Java 17 and above, but also work with earlier versions.