2.16 LAB: Driving cost - methods Write a method drivingCost() with input parameters drivenMiles, milesPerGallon, and dollarsPerGallon, that returns the dollar cost to drive those miles. All items are of type double. If the method is called with 50 20.0 3.1599, the method returns 7.89975. Define that method in a program whose inputs are the car's miles/gallon and the gas dollars/gallon (both doubles). Output the gas cost for 10 miles, 50 miles, and 400 miles, by calling your drivingCost() method three times. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: System.out.printf("%.2f", yourValue); The output ends with a newline. Ex: If the input is: 20.0 3.1599 the output is: 1.58 7.90 63.20 Your program must define and call a method: public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon) Note: This is a lab from a previous chapter that now requires the use of a method. 283902.2300530.qx3zqy7 LAB 2.16.1: LAB: Driving cost - methods 0/ 10 АCTIVITY LabProgram.java Load default template... 1 import java.util.Scanner; 2 3 public class LabProgram { 4 /* Define your method here */ public static void main(String] args) { /* Type your code here. */ } 7 8 9. 10 } 11
2.16 LAB: Driving cost - methods Write a method drivingCost() with input parameters drivenMiles, milesPerGallon, and dollarsPerGallon, that returns the dollar cost to drive those miles. All items are of type double. If the method is called with 50 20.0 3.1599, the method returns 7.89975. Define that method in a program whose inputs are the car's miles/gallon and the gas dollars/gallon (both doubles). Output the gas cost for 10 miles, 50 miles, and 400 miles, by calling your drivingCost() method three times. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: System.out.printf("%.2f", yourValue); The output ends with a newline. Ex: If the input is: 20.0 3.1599 the output is: 1.58 7.90 63.20 Your program must define and call a method: public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon) Note: This is a lab from a previous chapter that now requires the use of a method. 283902.2300530.qx3zqy7 LAB 2.16.1: LAB: Driving cost - methods 0/ 10 АCTIVITY LabProgram.java Load default template... 1 import java.util.Scanner; 2 3 public class LabProgram { 4 /* Define your method here */ public static void main(String] args) { /* Type your code here. */ } 7 8 9. 10 } 11
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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![## 2.16 LAB: Driving Cost - Methods
### Objective
Develop a Java method `drivingCost()` with the following input parameters:
- `drivenMiles`: the number of miles driven (double)
- `milesPerGallon`: the car's fuel efficiency (double)
- `dollarsPerGallon`: the cost of fuel per gallon (double)
The method should calculate and return the cost in dollars to drive the specified number of miles. All parameters are of type double.
### Example
If the method is called with:
```java
drivingCost(50, 20.0, 3.1599)
```
The method returns `7.89975`.
### Implementation Steps
Define a program that implements the `drivingCost()` method. The program should:
1. Accept inputs for the car's miles per gallon and gas price per gallon.
2. Output the driving costs for trips of 10 miles, 50 miles, and 400 miles by calling the `drivingCost()` method.
3. Format the output to two decimal places using:
```java
System.out.printf("%.2f", yourValue);
```
4. Ensure the output ends with a newline.
### Input and Output Example
- **Input:**
```
20.0 3.1599
```
- **Output:**
```
1.58 7.90 63.20
```
### Instructions
Your program must define and use the following method:
```java
public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)
```
This exercise is based on a previous chapter lab, now emphasizing method usage.
---
### Lab Activity Interface
#### Code Editor Snapshot
```java
import java.util.Scanner;
public class LabProgram {
/* Define your method here */
public static void main(String[] args) {
/* Type your code here. */
}
}
```
#### Development Environment
- **Modes available:** Develop mode and Submit mode.
- **Operation:** Run your program as needed. For submissions, enter inputs in the first box, click "Run program," and view outputs.
- **Example Usage:**
1. Enter program input if required.
2. Click "Run program" to execute.
3. The processed output will be displayed.
This interface enables compiling and testing Java programs](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fab04051d-220f-4e22-ad42-dacf93a25243%2F0d8b34fe-553c-4e46-aa1d-78cb38b5aa49%2Fex7u4a_processed.png&w=3840&q=75)
Transcribed Image Text:## 2.16 LAB: Driving Cost - Methods
### Objective
Develop a Java method `drivingCost()` with the following input parameters:
- `drivenMiles`: the number of miles driven (double)
- `milesPerGallon`: the car's fuel efficiency (double)
- `dollarsPerGallon`: the cost of fuel per gallon (double)
The method should calculate and return the cost in dollars to drive the specified number of miles. All parameters are of type double.
### Example
If the method is called with:
```java
drivingCost(50, 20.0, 3.1599)
```
The method returns `7.89975`.
### Implementation Steps
Define a program that implements the `drivingCost()` method. The program should:
1. Accept inputs for the car's miles per gallon and gas price per gallon.
2. Output the driving costs for trips of 10 miles, 50 miles, and 400 miles by calling the `drivingCost()` method.
3. Format the output to two decimal places using:
```java
System.out.printf("%.2f", yourValue);
```
4. Ensure the output ends with a newline.
### Input and Output Example
- **Input:**
```
20.0 3.1599
```
- **Output:**
```
1.58 7.90 63.20
```
### Instructions
Your program must define and use the following method:
```java
public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)
```
This exercise is based on a previous chapter lab, now emphasizing method usage.
---
### Lab Activity Interface
#### Code Editor Snapshot
```java
import java.util.Scanner;
public class LabProgram {
/* Define your method here */
public static void main(String[] args) {
/* Type your code here. */
}
}
```
#### Development Environment
- **Modes available:** Develop mode and Submit mode.
- **Operation:** Run your program as needed. For submissions, enter inputs in the first box, click "Run program," and view outputs.
- **Example Usage:**
1. Enter program input if required.
2. Click "Run program" to execute.
3. The processed output will be displayed.
This interface enables compiling and testing Java programs
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