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183 lines (158 loc) · 5.32 KB
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import java.util.Random;
import java.util.Scanner;
public class DoorProblem {
public static void main(String[] args) {
// User plays the classic door problem of choosing 1 of 3 doors, then switching
// or sticking with door choice
Random rand = new Random();
int min = 1;
int max = 3;
int door = rand.nextInt(max - min + 1) + min;
Scanner sc = new Scanner(System.in);
System.out.println(" _____ _____ _____");
System.out.println("| | | | | |");
System.out.println("| 1 | | 2 | | 3 |");
System.out.println("|_____| |_____| |_____|");
System.out.println("Choose a Door: ");
int userChoice = sc.nextInt();
if (door == 1 && userChoice == 2) {
System.out.println("Door 3 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 2\n2 - Switch to Door 1");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 1! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 1 && userChoice == 3) {
System.out.println("Door 2 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 3\n2 - Switch to Door 1");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 1! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 1 && userChoice == 1) {
System.out.println("Door 2 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 1\n2 - Switch to Door 3");
userChoice = sc.nextInt();
switch (userChoice) {
case 2:
System.out.println("Sorry you lose! The money was behind door 1! :( ");
break;
case 1:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 2 && userChoice == 1) {
System.out.println("Door 3 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 1\n2 - Switch to Door 2");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 2! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 2 && userChoice == 3) {
System.out.println("Door 1 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 3\n2 - Switch to Door 2");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 2! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 2 && userChoice == 2) {
System.out.println("Door 1 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 2\n2 - Switch to Door 3");
userChoice = sc.nextInt();
switch (userChoice) {
case 2:
System.out.println("Sorry you lose! The money was behind door 2! :( ");
break;
case 1:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 3 && userChoice == 1) {
System.out.println("Door 2 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 1\n2 - Switch to Door 3");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 3! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 3 && userChoice == 2) {
System.out.println("Door 1 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 2\n2 - Switch to Door 3");
userChoice = sc.nextInt();
switch (userChoice) {
case 1:
System.out.println("Sorry you lose! The money was behind door 3! :( ");
break;
case 2:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else if (door == 3 && userChoice == 3) {
System.out.println("Door 1 does not have the money!");
System.out.println("Do You Want to: ");
System.out.println("1 - Stay with Door 3\n2 - Switch to Door 2");
userChoice = sc.nextInt();
switch (userChoice) {
case 2:
System.out.println("Sorry you lose! The money was behind door 3! :( ");
break;
case 1:
System.out.println("You won the $1,000,000!");
break;
default:
System.out.println("Invalid Choice. Start over!");
}
} else {
System.out.println("Invalid Input. Please Try Again!");
}
sc.close();
}
}