问题：if练习作业
import java.util.Scanner;
public class BMI {
/**
* BMI = 体重(kg)除以身高(m)的平方
*
* 过轻：低于18.5 正常：18.5-25 过重：25-28 肥胖：28-32 非常肥胖：高于32
*/
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Height (m): ");
double height = scanner.nextDouble();
System.out.print("Weight (kg): ");
double weight = scanner.nextDouble();
// FIXME:
double bmi = 0;
bmi = weight / (height * height);
if (bmi < 18.5) {
System.out.printf("体重为：%.2f，过轻", bmi);
} else if (bmi < 25) {
System.out.printf("体重为：%.2f，正常", bmi);
} else if (bmi < 28) {
System.out.printf("体重为：%.2f，过重", bmi);
} else if (bmi < 32) {
System.out.printf("体重为：%.2f，肥胖", bmi);
} else {
System.out.printf("体重为：%.2f，非常肥胖", bmi);
}
// TODO: 打印BMI值及结果
}
}
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