Add Book.java

src/main/java/com/ankurm/sdjpa4demo/domain/Book.java

@@ -0,0 +1,37 @@
+package com.ankurm.sdjpa4demo.domain;
+
+import jakarta.persistence.*;
+import java.math.BigDecimal;
+
+@Entity
+public class Book {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String title;
+
+    private BigDecimal price;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Author author;
+
+    protected Book() { }
+
+    public Book(String title, BigDecimal price, Author author) {
+        this.title = title;
+        this.price = price;
+        this.author = author;
+    }
+
+    public Long getId() { return id; }
+    public String getTitle() { return title; }
+    public BigDecimal getPrice() { return price; }
+    public Author getAuthor() { return author; }
+
+    @Override
+    public String toString() {
+        return "Book{title='" + title + "', price=" + price + "}";
+    }
+}