package utils; import java.util.Scanner; public class UserInput { public static String input(Scanner sin, String message) { System.out.print(message); return sin.next(); } public static double getNumberBetween(Scanner sin, double min, double max) { double input; do { input = sin.nextDouble(); } while (input > max || input < min); return input; } public static double getPositiveNumber(Scanner sin) { double input; do { input = sin.nextDouble(); } while (input <= 0); return input; } }