java 爬虫报错

Question

package main;
import java.net.http.HttpClient;

public class MyCrawler {

public static void main(String [] args)
{
    HttpClient httpClient = new DefaultHttpClient();
    GetMethod getMethod=new GetMethod();
    int statusCode=httpClient.executeMethod("https://www.baidu.com/");
    System.out.println(statusCode);
    System.out.println("response="+getMethod.getResponseBodyAsString());
    getMethod.releaseConnection();
}

}

Error:(8, 37) java: 找不到符号
符号: 类 DefaultHttpClient
位置: 类 main.MyCrawler