方法1:通过Scanner
Scanner input = new Scanner(System. in);
String S = input .nextLine();
input. close();
方法2:通过BufferedReader
BufferedReader input = new BufferedReader(new InputStreamReader(System. in));
String S = input.readLine();
来源:oschina
链接:https://my.oschina.net/u/4344048/blog/4337043