refactor 3

Done refactoring 2 which was extracting methods in world class making it more readable and eliminating redundant code now moving on to refactoring 3 which i will split entity class into subclasses of elf and orc and maybe something else

Assignment_1/Assignment_resources/Junit/tut_ex1/Book.java

+package LibraryManagement;
+
+public class Book {
+    private String title;
+    private String author;
+    private boolean loaned;
+
+    public Book(String title, String author) {
+        this.title = title;
+        this.author = author;
+        this.loaned = false;
+    }
+
+    public boolean isLoaned() {
+        return loaned;
+    }
+
+    public void setLoaned(boolean loaned) {
+        this.loaned = loaned;
+    }
+
+    // Getters and setters
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Book book = (Book) obj;
+        return title.equals(book.title) && author.equals(book.author);
+    }
+}
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