exit异常终止



public  class Fu {
 public static void main(String[] args){
 try(InputStreamReader bag=new InputStreamReader(System.in);
 BufferedReader load=new BufferedReader(bag))
   {
  String linked=null;
  while ((linked=load.readLine())!=null) {
   if (linked.equals("exit")) {
    System.exit(1);   < ------------------
   }
   System.out.println(linked);
  }
 } catch (IOException e) {
  e.printStackTrace();
 }
 }
}