import com.upstox.ApiClient;
import com.upstox.ApiException;
import com.upstox.Configuration;
import com.upstox.api.*;
import com.upstox.auth.*;
public class Main {
public static void main(String[] args) {
ApiClient defaultClient = Configuration.getDefaultApiClient();
OAuth OAUTH2 = (OAuth) defaultClient.getAuthentication("OAUTH2");
OAUTH2.setAccessToken("{your_access_token}");
ExpiredInstrumentApi expiredInstrumentApi = new ExpiredInstrumentApi();
try {
GetExpiriesResponse getExpiriesResponse = expiredInstrumentApi.getExpiries("NSE_INDEX|Nifty 50");
System.out.println(getExpiriesResponse);
} catch (ApiException e) {
System.out.println("Exception when calling ExpiredInstrumentApi#getExpiredInstruments");
System.out.println("Status code: " + e.getCode());
System.out.println("Error message: " + e.getResponseBody());
}
}
}