Code for Book class in Java

Book.java

public class Book {

   private final String name;
   
   private final double price;public Star(String name, double price) {
   this.name = name;
   this.price = price;
   }
   

   @Override
   public int hashCode() {
   int hash = 7;
   hash = 23 * hash + Objects.hashCode(this.name);
   return hash;
   }
   @Override
   public boolean equals(Object obj) {
   if (obj == null) {
   return false;
   }if (getClass() != obj.getClass()) {
   return false;
   }final Test other = (Test) obj;if (!Objects.equals(this.name, other.name)) {
      return false;
   }if (Double.doubleToLongBits(this.price) != Double.doubleToLongBits(other.price)) {
     return false;
   }
   return true;
   }
   
   @Override
   public String toString() {
    return "Test{" + "name=" + name + ", price=" + price + '}';
   }
}