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Book synopsis

Learning Java is not just about writing code that works. It is also about learning how to organize it.

This fourth book in the series 100 Mini Java Exercises - Learn by Coding Step by Step is dedicated to one of the most important topics for anyone who wants to move forward in programming: methods and modularization.

After working through the basics of the language, control structures, arrays, and text strings, it is time to take a fundamental step forward: stop writing everything inside main and start splitting programs into clearer, reusable, and easier-to-maintain parts.

Throughout this book, you will find 100 practical mini exercises designed to help you learn step by step how to create methods in Java, how to pass parameters, how to return values, when to use void, how to work with boolean methods, and how to organize more complete programs.

The book includes exercises on:

• Basic methods.
• Methods with parameters.
• Methods with return values.
• The difference between void methods and methods that return values.
• Methods for math calculations.
• Methods for text strings.
• Methods for arrays.
• Integrated modular programs.

Each exercise includes a task, a goal, a solution, an explanation, a modularization note, and a possible improvement, so you do not just copy code, but understand why it is written that way.

This book is ideal if you already know the basics of Java and want to start writing more organized programs. You do not need to be an expert. You only need the willingness to practice, keep moving forward, and build a solid foundation.

If you want to learn Java in a progressive, clear, and practical way, this fourth volume will help you take a decisive step: start thinking like a programmer, not just writing isolated instructions.

Book details

• Full title: 100 Mini Java Exercises
• Subtitle: JAVA - Methods and Modularization -Book IV-: Learn Java Methods, Parameters, Return Values, Void Methods, Boolean Logic, and Modular Programming Step by Step
• Author: Leo Code
• Language: English
• Binding: Paperback
• Number of pages: 380
• EAN: 9798195513634
• ID: 52276842
• Publisher: Independently published
• Weight: 508 g
• Dimensions: 229 × 152 × 20 mm
• Date of publishing: 04. May 2026

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