java程序：计算身体质量指数

import java.util.Scanner; public class WeightOfBmi { public static void main(String[] args){ Scanner input = new Scanner(System.in); System.out.println("enter a number for weight: "); double weight = input.nextDouble(); System.out.println("enter a number for height: "); double height = input.nextDouble(); final double KILOGRAMS_PER_POUND=0.45359237; final double METERS_PER_INCH=0.0254; double weightInKilogram = weightKILOGRAMS_PER_POUND; double heightInMeters = heightMETERS_PER_INCH; double bmi = weightInKilogram/(heightInMeters*heightInMeters); System.out.println("BMI is : "+bmi); if(bmi<18.5) System.out.println("偏瘦"); else if(bmi<25) System.out.println("正常"); else if(bmi<30) System.out.println("超重"); else System.out.println("过胖");

}

}