public class BMICalculator {$\{$

public static void main($($String[]$[]$ args){$)\{$

Scanner scanner =$=$ new Scanner($($System.$.$in)$)$;

//$//$ Ask the user to enter their weight in kilograms

System.out.print("$("$Enter your weight in kilograms: ")$")$;

double weight =$=$ scanner.nextDouble()$()$;

//$//$ Ask the user to enter their height in meters

System.out.print("$("$Enter your height in meters: ")$")$;

double height =$=$ scanner.nextDouble()$()$;

//$//$ Calculate the BMI

double bmi =$=$ weight /($/($height *$*$ height)$)$;

//$//$ Print the calculated BMI

System.out.printf("$("$Your BMI is %.2$\%\mathrm{.}2$f",$",$ bmi)$)$;

}$\}$

}$\}$ explain this program