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/*

Add a parameterized method that computes the fuel required for a given distance.

*/

class Vehicle {

int passengers; // number of passengers

int fuelcap; // fuel capacity in gallons

int mpg; // fuel consumption in miles per gallon

// Return the range.

int range() {

return mpg * fuelcap;

}

// Compute fuel needed for a given distance.

double fuelneeded(int miles) {

return (double) miles / mpg;

}

}

class CompFuel {

public static void main(String args[]) {

Vehicle minivan = new Vehicle();

Vehicle sportscar = new Vehicle();

double gallons;

int dist = 252;

// assign values to fields in minivan

minivan.passengers = 7;

minivan.fuelcap = 16;

minivan.mpg = 21;

// assign values to fields in sportscar

sportscar.passengers = 2;

sportscar.fuelcap = 14;

sportscar.mpg = 12;

gallons = minivan.fuelneeded(dist);

System.out.println("To go " + dist + " miles minivan needs " + gallons + " gallons of fuel.");

gallons = sportscar.fuelneeded(dist);

System.out.println("To go " + dist + " miles sportscar needs " + gallons + " gallons of fuel.");

}

}

}

}