Consider the following two classes:

public class WeatherForecastService {

    private Thermometer thermometer;

    public WeatherForecastService(Thermometer thermometer) {
        this.thermometer = thermometer;

    @Scheduled(fixedDelay = 10000)
    public void takeTemperatureMeasurement() {

public class FakeThermometer implements Thermometer {

    public int measure() { return 10; };

Supposing Spring uses component scanning to discover beans, select the statements that are correct.

(Select all acceptable answers.)

Instantiation of WeatherForecastService will fail because Thermometer is an interface and not a class.
Instantiation of WeatherForecastService will fail, because only @Repository beans may be injected into @Service beans.
Automatic execution of takeTemperatureMeasurement() every 10 seconds can be enabled by annotating the Spring configuration class with @EnableScheduling.
Automatic execution of takeTemperatureMeasurement() every 10 seconds can be enabled by using <task:annotation-driven/> in XML configuration.
A new instance of the FakeThermometer class will be created each time the takeTemperatureMeasurement() method is executed.

Java Spring Configuration Scheduling Public


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