**Educational Content: Understanding the Product Class and Calculating Total Cost**On the left is the code for a class named `Product`. On the right, we've provided a code snippet that involves using the `Product` class to calculate a total cost. Below is a detailed explanation:### Code for the `Product` Class```javapublic class Product { private String name; private double cost; public Product(String n, double c) { name = n; cost = c; } public String getName() { return name; } public double getCost() { return cost; } public String toString() { return (name + " $" + cost); }}```**Explanation:**- **Attributes:** - `name`: A private string to store the product's name. - `cost`: A private double to store the product's cost.- **Constructor:** - `Product(String n, double c)`: Initializes `name` with `n` and `cost` with `c`.- **Methods:** - `getName()`: Returns the product's name. - `getCost()`: Returns the product's cost. - `toString()`: Provides a string representation combining the name and cost.### Code to Calculate the Total Cost```javaArrayList cart = new ArrayList();double total = 0;cart.add(new Product("Shampoo", 13.89));cart.add(new Product("Bread", 4.99));cart.add(new Product("Cereal", 7.49));for (Product p : cart) { total = total + p.getCost();}System.out.printf("$%.2f", total);```**Walkthrough:**- **ArrayList Initialization:** - `ArrayList cart = new ArrayList();`: Creates a list to store products.- **Adding Products:** - Adds `Shampoo`, `Bread`, and `Cereal` with their respective costs to the cart.- **Loop for Calculating Total:** - `for (Product p : cart) { total = total + p.getCost(); }`: Iterates over each product in the cart, adding its cost to `total`.- **Output:** - `System.out.printf("$%.2f", total);`: Prints the total cost formatted

Your java program is given below as you required with an output.

On the left is code for a class called Product. Fill in the blanks in the code on the right in order to calculate a total and generate the output shown. public class Product { private String name; private double cost; public Product(String n, double c) { name=n; cost=c; } public String getName() { return name; } public double getCost() { return cost; } public String toString() { return (name + "$" + cost); } ArrayList cart = new ArrayList(); double total = 0; cart.add(new Product("Shampoo",13.89)); cart.add(new Product ("Bread",4.99)); cart.add(new Product("Cereal",7.49)); for (Product p : cart) { total total + p.getCost(); } System.out.printf("$%.2f", total); Output: $26.37

On the left is code for a class called Product. Fill in the blanks in the code on the right in order to calculate a total and generate the output shown. public class Product { private String name; private double cost; public Product(String n, double c) { name=n; cost=c; } public String getName() { return name; } public double getCost() { return cost; } public String toString() { return (name + "$" + cost); } ArrayList cart = new ArrayList(); double total = 0; cart.add(new Product("Shampoo",13.89)); cart.add(new Product ("Bread",4.99)); cart.add(new Product("Cereal",7.49)); for (Product p : cart) { total total + p.getCost(); } System.out.printf("$%.2f", total); Output: $26.37

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

**Educational Content: Understanding the Product Class and Calculating Total Cost**

On the left is the code for a class named `Product`. On the right, we've provided a code snippet that involves using the `Product` class to calculate a total cost. Below is a detailed explanation:

### Code for the `Product` Class

```java
public class Product {
private String name;
private double cost;

public Product(String n, double c) {
name = n;
cost = c;
}

public String getName() {
return name;
}

public double getCost() {
return cost;
}

public String toString() {
return (name + " $" + cost);
}
}
```

**Explanation:**

- **Attributes:**
- `name`: A private string to store the product's name.
- `cost`: A private double to store the product's cost.

- **Constructor:**
- `Product(String n, double c)`: Initializes `name` with `n` and `cost` with `c`.

- **Methods:**
- `getName()`: Returns the product's name.
- `getCost()`: Returns the product's cost.
- `toString()`: Provides a string representation combining the name and cost.

### Code to Calculate the Total Cost

```java
ArrayList<Product> cart = new ArrayList<Product>();
double total = 0;

cart.add(new Product("Shampoo", 13.89));
cart.add(new Product("Bread", 4.99));
cart.add(new Product("Cereal", 7.49));

for (Product p : cart) {
total = total + p.getCost();
}

System.out.printf("$%.2f", total);
```

**Walkthrough:**

- **ArrayList Initialization:**
- `ArrayList<Product> cart = new ArrayList<Product>();`: Creates a list to store products.

- **Adding Products:**
- Adds `Shampoo`, `Bread`, and `Cereal` with their respective costs to the cart.

- **Loop for Calculating Total:**
- `for (Product p : cart) { total = total + p.getCost(); }`: Iterates over each product in the cart, adding its cost to `total`.

- **Output:**
- `System.out.printf("$%.2f", total);`: Prints the total cost formatted

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