import com.ibm.as400.micro.ProgramCall;
import com.ibm.as400.micro.MEException;
import com.ibm.as400.micro.AS400;
// more imports in actual source code

public class PgmGetSysStatus extends CallProgram {

// we will leave out the constructors and super calls, just take it for given that an AS400 object is in 
// place and has the appropriate scope and has the name "system"

    public String[] run(String[] parm) {

        String pcmlName = "QWCRSSTS.pcml"; // The PCML document we want to use.
        String apiName = "qwcrssts";

        Hashtable parametersToSet = new Hashtable();
        parametersToSet.put("qwcrssts.receiverLength", "2048");

        String[] parametersToGet = {"qwcrssts.receiver.systemName",
                                    "qwcrssts.receiver.usersCurrentlySignedOn",
                                    "qwcrssts.receiver.batchJobsRunning",
                                    "qwcrssts.receiver.batchJobsEndedWithPrtOutWait"};

        String[] valuesToGet = null;

        try {
            valuesToGet = ProgramCall.run(system, pcmlName, apiName, parametersToSet, parametersToGet);
            return valuesToGet;
        } catch (IOException e) {
            return null;
        } catch (MEException e) {
            return null;
        } finally {
            system.disconnect();
        }
    }
}