URL + URLConnection 讀取網頁內容

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

public class URLExample {
    public static void main(String[] args) throws Exception {
        URL url = new URL("https://www.example.com/");
        URLConnection conn = url.openConnection();

        try (BufferedReader br = new BufferedReader(
                new InputStreamReader(conn.getInputStream()))) {
            String line;
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }
        }
    }
}