JAVA初学-计算BMI

package test;

import java.util.Scanner;

public class bmi {
@SuppressWarnings({ "resource", "unused" })
public static void main(String [] args) {
int age;
double shengao,tizhong,bmi;
Scanner scan = new Scanner(System.in);
System.out.println("请输入您的年龄：");
age = scan.nextInt();
System.out.println("请输入您的体重(公斤)：");
tizhong = scan.nextDouble();
System.out.println("请输入您的身高（米）：");
shengao = scan.nextDouble();
bmi=tizhong/(shengao*shengao);
System.out.println("bmi="+bmi);

}

}