读取控制台的字符串_方法一

public static String getString()throws IOException{

    InputStreamReader isr = new InputStreamReader(System.in);

    BufferedReader br = new  BufferedReader(isr);

    String s =br.readLine();

    return s;

}

public static int getInt() throws IOException{

    String s = getString();

    return Integer.parseInt(s);

}

public static void main(String[] args) throws IOException {

    System.out.println("Enter a number :");

     theNumber = getInt();

    System.out.println("The number is "+theNumber);

}