/*
(GasMileage)Drivers are concerned with the mileage their automobiles get.One driver has kept track of several trips by recording the miles driven and gallons used for each tankful. Develop a Java application that will input the miles driven and gallons used (both as integers) for each trip. The program should calculate and display the miles per gallon obtained for each trip and print the combined miles per gallon obtained for all trips up to this point. All averaging calculations should produce floating-point results. Use class Scanner and sentinel-controlled repetition to obtain the data from the user. 

*/
import java.util.Scanner;

public class GasMileage
	{
	public static void main(String[]args)
	{
	Scanner input = new Scanner(System.in);
	

	int mileage;
	int gallon;
	int totalMileage = 0;
	int totalGallon = 0;
	int counter = 1;
	double milespergallonsused = 0;
	double average;

	System.out.print("Enter a mileage (or -1 to quit): ";
	mileage = input.nextInt();
	System.out.print("Enter the gallons of fuel used: ";
	gallon = input.nextInt();
	average = (double) mileage / gallon;
	System.out.printf("The miles per gallons used for this trip is: %.2f", average);
	System.out.println();
	

	while (mileage != -1 && gallon != -1) 
	{
		totalMileage = totalMileage + mileage;
		totalGallon = totalGallon + gallon;
		counter = counter + 1;
		System.out.print("Enter a mileage (or -1 to quit): ";
		mileage = input.nextInt();
		
		System.out.print("Enter the gallons of fuel used: ";
		gallon = input.nextInt();
		average = (double) mileage / gallon;
		System.out.printf("The miles per gallons used for this trip is: %.2f", average);
		System.out.println();
	}
	if (counter != 0)
	{
	milespergallonsused = (double) totalMileage/totalGallon;

	System.out.printf("The combined miles per gallons used for all the trips is: %.2f", milespergallonsused);
	}
}
}

CodeBlooded:
Why not zip it and drop in ur google drive or github and give out the link.