import java.util.Scanner;public class BMI {    public static void main(String[] args){        Scanner in = new Scanner(System.in);        System.out.print("input your height: ");        float height = in.nextFloat();        System.out.print("input your weight: ");        float weight = in.nextFloat();        float bmi = weight / (height * height);        System.out.printf("your BMI: %.2f", bmi);        if(bmi < 18.5){         System.out.println("过轻");        }else if(bmi < 25){            System.out.println("正常");        }else if(bmi < 28){            System.out.println("过重");        }else if(bmi < 32){            System.out.println("肥胖");        }else{            System.out.println("非常肥胖");        }    }}