JAVA-16301: Check Article Code Matches GitHub

patterns-modules/solid/src/main/java/com/baeldung/s/Book.java

@@ -0,0 +1,20 @@
+package com.baeldung.s;
+
+public class Book {
+
+  private String name;
+  private String author;
+  private String text;
+
+  //constructor, getters and setters
+
+  //methods that directly relate to the book properties
+  public String replaceWordInText(String word, String replacementWord){
+    return text.replaceAll(word, replacementWord);
+  }
+
+  public boolean isWordInText(String word){
+    return text.contains(word);
+  }
+
+}