Book Image

Java 9 Programming By Example

By : Peter Verhas
Book Image

Java 9 Programming By Example

By: Peter Verhas

Overview of this book

This book gets you started with essential software development easily and quickly, guiding you through Java’s different facets. By adopting this approach, you can bridge the gap between learning and doing immediately. You will learn the new features of Java 9 quickly and experience a simple and powerful approach to software development. You will be able to use the Java runtime tools, understand the Java environment, and create Java programs. We then cover more simple examples to build your foundation before diving to some complex data structure problems that will solidify your Java 9 skills. With a special focus on modularity and HTTP 2.0, this book will guide you to get employed as a top notch Java developer. By the end of the book, you will have a firm foundation to continue your journey towards becoming a professional Java developer.
Table of Contents (17 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

The Game class


An instance of the Game class contains a Row holding the secret color values and also contains a Table. When there is a new guess the Game instance stores the guess into the Table and also sets the number of positions and colors matching the secret row.

package packt.java9.by.example.mastermind; 
  
 public class Game { 
  
     final Table table; 
     final private Row secretRow; 
     boolean finished = false; 
  
     public Game(Table table, Color[] secret ) { 
         this.table = table; 
         this.secretRow = new Row(secret); 
     } 
  
     public void addNewGuess(Row row) { 
         if( isFinished()){ 
             throw new IllegalArgumentException( 
                        "You can not guess on a finished game."); 
         } 
         final int positionMatch = secretRow. 
                           nrMatchingPositions(row.positions); 
         final int colorMatch = secretRow. 
                           nrMatchingColors(row.positions); 
         row.setMatch...