// Driver
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("What file do you want to use for input/output?");
String filename = input.nextLine();
Airline a = new Airline(filename);
String city1, city2;
loop:
while (true) {
System.out.println("\n\tWhat would you like to do?");
System.out.println("\t1: See All Direct Routes");
System.out.println("\t2: Find Minimum Spanning Tree");
System.out.println("\t3: Find Shortest Path by Distance");
System.out.println("\t4: Find Shortest Path by Cost");
System.out.println("\t5: Find Shortest Path by Hops");
System.out.println("\t6: Find Trips Under Cost");
System.out.println("\t7: Add a Route");
System.out.println("\t8: Remove a Route");
System.out.println("\t9: Add a City");
System.out.println("\t10: Remove a City");
System.out.println("\t11: Quit");
System.out.println("\t12: Quit Without Saving");
System.out.print("Enter numeric choice: ");
int choice = input.nextInt();
input.nextLine(); // throw out leftover newline
switch (choice) {
case 1:
a.showAllRoutes();
break;
case 2:
a.mst();
break;
case 3:
System.out.print("Enter the first city: ");
city1 = input.nextLine();
System.out.print("Enter the second city: ");
city2 = input.nextLine();
a.shortestByDistance(city1, city2);
break;
case 4:
System.out.print("Enter the first city: ");
city1 = input.nextLine();
System.out.print("Enter the second city: ");
city2 = input.nextLine();
a.shortestByCost(city1, city2);
break;
case 5:
System.out.print("Enter the first city: ");
city1 = input.nextLine();
System.out.print("Enter the second city: ");
city2 = input.nextLine();
a.shortestByHops(city1, city2);
break;
case 6:
System.out.print("Enter max cost: ");
double cost = input.nextInt();
a.pathsUnderCost(cost);
break;
case 7:
System.out.print("Enter the first city: ");
city1 = input.nextLine();
System.out.print("Enter the second city: ");
city2 = input.nextLine();
System.out.print("Enter the distance: ");
int distance = input.nextInt();
System.out.print("Enter the price: ");
double price = input.nextDouble();
a.addRoute(city1, city2, distance, price);
break;
case 8:
System.out.print("Enter the first city: ");
city1 = input.nextLine();
System.out.print("Enter the second city: ");
city2 = input.nextLine();
a.removeRoute(city1, city2);
break;
case 9:
System.out.print("Enter the city name: ");
city1 = input.nextLine();
a.addCity(city1);
break;
case 10:
System.out.print("Enter the city name: ");
city1 = input.nextLine();
a.removeCity(city1);
break;
case 11:
a.saveRoutes(filename);
break loop;
case 12:
break loop;
}
}
}
