Example for simple HTTP Request in Java

HTTPRequest.java

import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONTokener;
import java.net.URL;
import java.net.HttpURLConnection;
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class HTTPRequest {
  public static void main(String[] args) {
    try {
      URL api = new URL("https://jsonplaceholder.typicode.com/users");
      HttpURLConnection connection = (HttpURLConnection) api.openConnection();
      connection.setRequestMethod("GET");

      BufferedReader buffer = new BufferedReader(new InputStreamReader(connection.getInputStream()));
      String chunk;
      StringBuffer content = new StringBuffer();
      while((chunk = buffer.readLine()) != null) {
        content.append(chunk);
      }
      buffer.close();
      connection.disconnect();

      JSONTokener token = new JSONTokener(content.toString());
      JSONArray ob = new JSONArray(token);

      for(int i=0; i < ob.length(); ++i) {
        JSONObject it = ob.getJSONObject(i);
        System.out.print(it.getString("name"));
        System.out.println(" <" + it.getString("email") + ">");
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}