import java.util.Scanner; /** * Converts centimeters to feet and inches. */ public class Convert { public static void main(String[] args) { double cm; int feet, inches, remainder; final double CM_PER_INCH = 2.54; final int IN_PER_FOOT = 12; Scanner in = new Scanner(System.in); System.out.print("Enter 1 to convert centimeters to feet and inches\n" + "Enter 2 to convert feet and inches to centimeters\n" + "Your choice: "); int choice = in.nextInt(); if (choice == 1) { System.out.print("Exactly how many cm? "); cm = in.nextDouble(); if (cm < 0) { System.out.print("Please enter a positive value for centimeters."); } else { inches = (int) (cm / CM_PER_INCH); feet = inches / IN_PER_FOOT; remainder = inches % IN_PER_FOOT; inches = inches - (feet * IN_PER_FOOT); System.out.printf("%.2f cm = %d ft, %d in\n", cm, feet, inches); } } else if (choice == 2) { System.out.print("Enter feet: "); feet = in.nextInt(); System.out.print("Enter inches: "); inches = in.nextInt(); if (feet < 0 || inches < 0 || inches >= IN_PER_FOOT) { System.out.println("Please enter valid and positive values for feet and inches."); } else { cm = (feet * IN_PER_FOOT + inches) * CM_PER_INCH; System.out.printf("%d ft, %d in = %.2f cm\n", feet, inches, cm); } } else { System.out.println("Invalid choice, please enter 1 or 2."); } } }