iif else练习

public class tz{

   public static void main(String[] args){
       int sg=165,tz=52;

       if (tz-(sg-115)>3)
       {
    System.out.println("体重偏胖，请多运动！");
       }
       else  if(tz-(sg-115)<-3)
{
    System.out.println("体重偏瘦，请注意营养！");
       }
       else
       {
           System.out.println("体重正常，请多保持！");
       }

   }
}