HW1 - java

java1.java

import java.util.Scanner;

public class Hey {
  public static void main(String[] args) {
    System.out.println("Subtotal and gratuity rate: ");
    double a, b;
    int c;
    float g;
    Scanner scanner = new Scanner(System.in);
    a = scanner.nextInt() * 1.0;
    b = scanner.nextInt() * 1.0;
    System.out.println("The gratuity is $" +a*b/100 + " and total is $" + (a+b/10));

    System.out.println("Enter on digit between 1~1000");
    while(true) {
      scanner = new Scanner(System.in);
      c = scanner.nextInt();
      if (c > 1 && c < 1000) {
        break;
      }
      System.out.println("wrong rang, again!");
    }
    a = 1;
    while(c != 0) {
      a *= c%10;
      c /= 10;
    }
    System.out.println(a);

    System.out.println("Enter the number of minutes:");
    scanner = new Scanner(System.in);
    a = scanner.nextInt() * 1.0;
    b = a/60/24; // days
    System.out.println(Math.floor(b/365)+" years, " + b%365+ "days.");

  }
}