サンプルコード
try { URL url = new URL("http://xxx/get?param=xxx"); HttpURLConnection conn = null; try { conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) { try (InputStreamReader is = new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8); BufferedReader bdr = new BufferedReader(is)) { String strInfo; while (strInfo= bdr.readLine()) != null) { System.out.println(strInfo); } } } } finally { if (conn != null) { conn.disconnect(); } } } catch (IOException e) { e.printStackTrace(); }