Answered Essay: Write a Java program to calculate the light years per gallon for a trip in which a spaceship traveled 2 million light years on 15,00

Write a Java program to calculate the light years per gallon for a trip in which a spaceship traveled 2 million light years on 15,000 gallons of “space gas”. The program should print the number of light years travelled, the number of gallons used and the light years per gallon. Light years per gallon should be printed as a number containing a decimal point. Light years and gallons should both be printed as integers. Be sure to compute the light years per gallon in the program using an arithmetic calculation. The formula for light years per gallon is: Light-Years-Per-Gallon = Light-Years / Gallons Include your name and the title of the homework assignment (“Homework 1”) as comments at the top of your program. Run your program. Your program must run successfully to receive full credit for this homework. Take a screenshot of your program. The screenshot should show all of your source code and the output of your program in the Console window. Resize the editor and/or console windows as needed so that everything is shown. You may also need to expand Eclipse to full screen size. You can increase the font size in Eclipse if needed in case the font size is too small to read on the paper. You can take a screenshot in Windows by clicking the “Print Screen” button on the keyboard. Next, open Microsoft Paint (from the Accessories menu in the Start menu) and click Ctrl-V to past the screenshot into Paint. Save the image as a JPG file. The output of the program should look like below. See if you can figure out how to print the last value with only one digit to the right of the decimal place (not required). Light Years: 2000000 Gallons: 15000 Light Years Per Gallon: 133.3

Expert Answer

 

Hi,

Below is the code-

import java.text.*;
public class HelloWorld{

public static void main(String []args){
int LightYears=2000000;
int NumberOfGallons=15000;
System.out.println(“Number of Light Years:”+ LightYears );
System.out.println(“Number of Gallons of Space Gas :”+ NumberOfGallons );

double lightYearsPerGallon=(double)LightYears/(double)NumberOfGallons;
System.out.println(“Light Years per Gallon” + lightYearsPerGallon);
DecimalFormat df = new DecimalFormat(“#.#”);
System.out.println(df.format(lightYearsPerGallon));
}
}

Screenshot-

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