import java.util.*
  public class Product {
    private int productId;
    private String productName;
    private double productPrice;
    public Product() {}
    public Product(int productId, String productName, double productPrice) {
        this.productId = productId;
        this.productName = productName;
        this.productPrice = productPrice;
    }
	public Product() {
        productId = 001;
        productName = "PEN";
        productPrice = 30.32;
    }
    @Override
    public String toString() {
        return "Product{" +
                "productId=" + productId +
                ", productName='" + productName + '\'' +
                ", productPrice=" + productPrice +
                '}';
    }

    public static void main(String[] args) {
        Product product1 = new Product(1, "Laptop", 999.99);
        System.out.println(product1.toString());
    }
}