下列程序实现从控制台输入并读取输出字符串，请将程序补充完整importJava

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);

System.out.print("请输入字符串：");
String input = scanner.nextLine();

System.out.println("你输入的字符串是：" + input);

scanner.close(); // 不要忘记关闭Scanner
}
}