字符串缓冲方式 BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); String line = null; line = bf.readLine())
二 Scanner s=new Scanner(System.in); s.nextLine();
字符串缓冲方式 BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); String line = null; line = bf.readLine())
二 Scanner s=new Scanner(System.in); s.nextLine();