네이버 지도 api 사용

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import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; public class NaverGeoApi {       public static void main(String[] args) {         String clientId = "clientId "; //clientId         String clientSecret = "clientSecret ";  //clientSecret                   try {             String addr = URLEncoder.encode("주소입력", "UTF-8");  //주소입력             String apiURL = "https://naveropenapi.apigw.ntruss.com/map-geocode/v2/geocode?query=" + addr; //json             //String apiURL = "https://openapi.naver.com/v1/map/geocode.xml?query=" + addr; // xml             URL url = new URL(apiURL);             HttpURLConnection con = (HttpURLConnection)url.openConnection();             con.setRequestMethod("GET");             con.setRequestProperty("X-NCP-APIGW-API-KEY-ID", clientId);             con.setRequestProperty("X-NCP-APIGW-API-KEY", clientSecret);             int responseCode = con.getResponseCode();             BufferedReader br;             if(responseCode==200) {                 br = new BufferedReader(new InputStreamReader(con.getInputStream()));             } else {                  br = new BufferedReader(new InputStreamReader(con.getErrorStream()));             }             String inputLine;             StringBuffer response = new StringBuffer();             while ((inputLine = br.readLine()) != null) {                 response.append(inputLine);             }             br.close();             System.out.println(response.toString());         } catch (Exception e) {             System.out.println(e);         }     } }