Main.java DrivingCost.java 1- import java.util.Scanner; 3 public class DrivingCost 4-{ 5 6 public static void main(String[] args) 7-{ 8 Scanner scan = new Scanner(System.in); 9 double drivingDistance; 10 double fuel Efficiency; 11 double priceperGallon; 12 double drivingcost; 13 14 System.out.print("Enter the driving distance: "); 15 driving Distance scan.nextDouble(); 16 17 System.out.print("Enter miles per gallon: "); 18 fuelEfficiency - scan.nextDouble(); 19 20 System.out.print("Enter price per gallon: "); 21 pricePerGallon - scan.nextDouble(); 22 23 drivingcost-drivingDistance / 25.5 pricePerGallon; 24 drivingcost-drivingcost 100; Ln: 1, Cot: 12 Run Share Command Line Arguments Enter the driving distance: 900.5 Enter miles per gallon: 25.5 Enter price per gallon: 3.55 The cost of driving is $125.36

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
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## Java Program to Calculate Driving Cost

This example demonstrates a simple Java program that calculates the cost of driving based on user inputs. The provided code asks the user to input the driving distance, fuel efficiency, and the price per gallon of fuel. Then, it calculates and outputs the cost of the trip.

### Code Explanation

Here is the breakdown of the Java program:

1. **Import the Scanner Class**:
   ```java
   import java.util.Scanner;
   ```

2. **Define the Class DrivingCost**:
   ```java
   public class DrivingCost
   {
   ```

3. **Main Method**:
   ```java
   public static void main(String[] args)
   {
   ```

4. **Variable Declaration and User Input**:
   - **Initialize Scanner**: This object will be used to capture user inputs.
     ```java
     Scanner scan = new Scanner(System.in);
     ```
   - **Driving Distance**: Prompts the user to input the driving distance and stores the value.
     ```java
     System.out.print("Enter the driving distance: ");
     double drivingDistance = scan.nextDouble();
     ```
   - **Fuel Efficiency**: Prompts the user to input the fuel efficiency in miles per gallon and stores the value.
     ```java
     System.out.print("Enter miles per gallon: ");
     double fuelEfficiency = scan.nextDouble();
     ```
   - **Price Per Gallon**: Prompts the user to input the price per gallon of fuel and stores the value.
     ```java
     System.out.print("Enter price per gallon: ");
     double pricePerGallon = scan.nextDouble();
     ```

5. **Calculation**:
   - Calculates the driving cost using the formula:
     \[
     \text{drivingcost} = \left( \frac{\text{drivingDistance}}{\text{fuelEfficiency}} \times \text{pricePerGallon} \right)
     \]
     ```java
     double drivingcost = (drivingDistance / fuelEfficiency) * pricePerGallon;
     ```

6. **Output the Result**:
   - Outputs the calculated driving cost.
     ```java
     System.out.printf("The cost of driving is $%.2f\n", drivingcost);
     ```

7. **Close the Class and Main Method**:
   ```java
   }
   }
   ```

### Full Program Code
```java
Transcribed Image Text:## Java Program to Calculate Driving Cost This example demonstrates a simple Java program that calculates the cost of driving based on user inputs. The provided code asks the user to input the driving distance, fuel efficiency, and the price per gallon of fuel. Then, it calculates and outputs the cost of the trip. ### Code Explanation Here is the breakdown of the Java program: 1. **Import the Scanner Class**: ```java import java.util.Scanner; ``` 2. **Define the Class DrivingCost**: ```java public class DrivingCost { ``` 3. **Main Method**: ```java public static void main(String[] args) { ``` 4. **Variable Declaration and User Input**: - **Initialize Scanner**: This object will be used to capture user inputs. ```java Scanner scan = new Scanner(System.in); ``` - **Driving Distance**: Prompts the user to input the driving distance and stores the value. ```java System.out.print("Enter the driving distance: "); double drivingDistance = scan.nextDouble(); ``` - **Fuel Efficiency**: Prompts the user to input the fuel efficiency in miles per gallon and stores the value. ```java System.out.print("Enter miles per gallon: "); double fuelEfficiency = scan.nextDouble(); ``` - **Price Per Gallon**: Prompts the user to input the price per gallon of fuel and stores the value. ```java System.out.print("Enter price per gallon: "); double pricePerGallon = scan.nextDouble(); ``` 5. **Calculation**: - Calculates the driving cost using the formula: \[ \text{drivingcost} = \left( \frac{\text{drivingDistance}}{\text{fuelEfficiency}} \times \text{pricePerGallon} \right) \] ```java double drivingcost = (drivingDistance / fuelEfficiency) * pricePerGallon; ``` 6. **Output the Result**: - Outputs the calculated driving cost. ```java System.out.printf("The cost of driving is $%.2f\n", drivingcost); ``` 7. **Close the Class and Main Method**: ```java } } ``` ### Full Program Code ```java
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