[[oktatas:programozás:java:java_rest_api_kliens|< Java REST API kliens]]

====== Java REST API kliens ======

  * **Szerző:** Sallai András
  * Copyright (c) 2022, Sallai András
  * Szerkesztve: 2022, 2023
  * Licenc: [[https://creativecommons.org/licenses/by-sa/4.0/|CC BY-SA 4.0]]
  * Web: https://szit.hu

===== Használatra példa =====

<code java Client.java>
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class Client {
  public static void connect() throws IOException {
    URL url = new URL("https://jsonplaceholder.typicode.com/users/");
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.connect();

    InputStream is = conn.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);

    StringBuffer sb = new StringBuffer();
    String line = br.readLine();
    while (line != null) {
      sb.append(line);
      sb.append(System.lineSeparator());
      line = br.readLine();
    }    
    conn.disconnect();
    System.out.println(sb.toString());

  }
}
</code>

<code java App.java>
public class App {
    public static void main(String[] args) throws Exception {
        Client.connect();
    }
}

</code>