获取用键盘输入的两种方法
通过Scanner
Scanner input = new Scanner(System.in); String s = input.nextLine();
input.close();
通过BufferedReader
BufferedReader input = new BufferedReader(new InputStreamReader(System.in)); String s = new readLine();
Scanner input = new Scanner(System.in); String s = input.nextLine();
input.close();
BufferedReader input = new BufferedReader(new InputStreamReader(System.in)); String s = new readLine();