import java.util.Scanner;
public class JavaProject {
public static void main (String args[]){
 Scanner a = new Scanner(System.in);
 double weight = 0;
 double height = 0;
 double StandardWeight = 0;
 String name = a.next();
 weight = a.nextDouble();
 height = a.nextDouble();
 StandardWeight = a.nextDouble();
 StandardWeight = (height/100)*(height/100)*22;
 System.out.println("이름,키(cm),체중(kg)을 입력하세요");
 System.out.println(name +"님의 키는"+height+"cm이고 체중은"+weight+"kg입니다");
 if(StandardWeight  System.out.println("표준체중은"+StandardWeight+"이므로 표준체중보다"+(weight-StandardWeight)+ "kg 과체중 입니다" );
 }
 else{
  System.out.println("표중체중은"+StandardWeight+"이므로 표준체중보다"+(StandardWeight-weight)+"kg 과체중 입니다");
 }
}
}

 

저 Scanner a 쪽에서 a is never closed 이렇게 뜨네요 계속