URL 호출

BufferedReader in = null;
			
try {
	URL obj = new URL("주소"); // 호출할 url
	HttpURLConnection con = (HttpURLConnection)obj.openConnection();

	con.setRequestMethod("GET");
	 
	in = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));
	        
	String line;
	while((line = in.readLine()) != null) { // response를 차례대로 출력
		System.out.println(line);
	}
} catch(Exception e) {
	e.printStackTrace();
} finally {
	if(in != null) try { in.close(); } catch(Exception e) { e.printStackTrace(); }
}