final/TestApi.java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class TestApi {
    public static void main(String[] args) {
        try {
            URL url = new URL("http://127.0.0.1:8081/api/playlists");
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setRequestProperty("Content-Type", "application/json");
            
            System.out.println("Sending GET request to: " + url.toString());
            System.out.println("Connection timeout: " + conn.getConnectTimeout());
            System.out.println("Read timeout: " + conn.getReadTimeout());
            
            int responseCode = conn.getResponseCode();
            System.out.println("Response Code: " + responseCode);
            
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String inputLine;
            StringBuffer response = new StringBuffer();
            
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            
            System.out.println("Response Body: " + response.toString());
            conn.disconnect();
            
        } catch (Exception e) {
            System.out.println("Exception occurred: " + e.getClass().getName());
            System.out.println("Exception message: " + e.getMessage());
            e.printStackTrace();
        }
    }
}