Question

how I can to open URL in java ?

Answer 1

http://docs.oracle.com/javase/tutorial/networking/urls/readingURL.html

import java.net.*;
import java.io.*;

public class URLReader {
public static void main(String[] args) throws Exception {
URL oracle = new URL(" http://www.oracle.com/ ");
BufferedReader in = new BufferedReader(
new InputStreamReader(
oracle.openStream()));

String inputLine;

while ((inputLine = in.readLine()) != null)
System.out.println(inputLine);

in.close();
}
}