import java.util.Scanner; public class Scanner { public static void main(String[] args) { Scanner s = new Scanner(System.in); int a = s.nextInt(); System.out.println("第一个整数：" + a); int b = s.nextInt(); System.out.println("第二个整数：" + b); float tall = new Scanner; System.out.println("请输入身高：" + tall); float kilogram = new Scanner; System.out.println("请输入体重：" + kilogram)； float bmi = new Scanner; bmi = kilogram / (tall * tall); System.out.println("BMI为：" + bmi)； } }