3.16.1: Exception handling. input20 Type the program's output

import java. util. Scanner;

public class HeartRateExceptHandling {
public static void main(String[] args) {
Scanner scnr = new Scanner(System. in);
int userAge;
int avgMaxHeartRate;

try {
userAge = scnr. nextInt();

if (userAge < 0) {
throw new Exception("Invalid age");
}

// Source: https://www. heart. org/en/healthy-living/fitness
avgMaxHeartRate = 220 - userAge;

System. out. println("Avg: " + avgMaxHeartRate);
}
catch (Exception excpt) {
System. out. println("Error: " + excpt. getMessage());
}
}
}