import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClientBuilder;

public class HtmlSourceCodeFetcher {
    public static void main(String[] args) {
        HttpClient httpclient = HttpClientBuilder.create().build();
        HttpGet httpGet = new HttpGet("http://www.example.com"); // 대상 웹 페이지의 URL을 입력합니다.

        try {
            HttpResponse response = httpclient.execute(httpGet);
            BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            String line;
            while ((line = rd.readLine()) != null) {
                System.out.println(line); // HTML 소스 코드를 출력합니다.
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}