Computers and Technology
Computers and Technology, 07.04.2020 05:16, gtrsoccer

Code example 5-1 import java. util. Scanner; import java. text. NumberFormat; public class WeightConverter { public static void main(String[] args) { Scanner sc = new Scanner(System. in); String prompt = "Enter weight in lbs: "; boolean isValid = false; double weightInPounds = 0.0; while (!isValid) { weightInPounds = getDouble(sc, prompt); if (weightInPounds > 0) { isValid = true; } else { System. out. println("Weight must be greater than 0."); } } double weightInKilos = weightInPounds / 2.2; NumberFormat nf = NumberFormat. getNumberInstance(); nf. setMaximumFractionDigits(2); String message = weightInPounds + " lbs\nequals\n" + nf. format(weightInKilos) + " kgs\n"; System. out. print(message); } public static double getDouble(Scanner sc, String prompt) { double d = 0.0; boolean isValid = false; while (!isValid) { System. out. print(prompt); if (sc. hasNextDouble()) { d = sc. nextDouble(); isValid = true; } else { System. out. println ("Error! Invalid decimal value. Try again."); } sc. nextLine(); } return d; } } (Refer to code example 5-1.) If the user enters "two hundred" at the console prompt, what does the code do? a. displays an error message from the main() method b. displays an error message from the getDouble() method c. figures the weight in kilograms d. throws an InputMismatchException

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Code example 5-1 import java. util. Scanner; import java. text. NumberFormat; public class WeightCon...

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