Spring interview questions part 22
Spring interview questions part 22
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. The template handles the boilerplate tasks for you and also converts the JMS API JMSException hierarchy into Spring runtime exception:-
Correct Answer is : org.springframework.jms.JmsException
2. To address different JMS APIs, Spring provides :-
Correct Answer is : All of the mentioned
3. Before you can send and receive JMS messages, you need to install a JMS message broker:-
Correct Answer is : Apache ActiveMQ
4. In the preceding sendMail() method, you first create JMS-specific ConnectionFactory. import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.MapMessage; import javax.jms.MessageProducer; import javax.jms.Session; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.command.ActiveMQQueue; public class FrontDeskImpl implements FrontDesk { public void sendMail(Mail mail) { ConnectionFactory cf = new ActiveMQConnectionFactory("tcp://localhost:61616"); Destination destination = new ActiveMQQueue("mail.queue"); Connection conn = null; try { conn = cf.createConnection(); Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); MessageProducer producer = session.createProducer(destination); MapMessage message = session.createMapMessage(); message.setString("mailId", mail.getMailId()); message.setString("country", mail.getCountry()); message.setDouble("weight", mail.getWeight()); producer.send(message); session.close(); } catch (JMSException e) { throw new RuntimeException(e); } finally { if (conn != null) { try { conn.close(); } catch (JMSException e) { } } } } }
Correct Answer is : TRUE
5. In JMS, there are two types of destinations:- import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.MapMessage; import javax.jms.MessageProducer; import javax.jms.Session; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.command.ActiveMQQueue; public class FrontDeskImpl implements FrontDesk { public void sendMail(Mail mail) { ConnectionFactory cf = new ActiveMQConnectionFactory("tcp://localhost:61616"); Destination destination = new ActiveMQQueue("mail.queue"); Connection conn = null; try { conn = cf.createConnection(); Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); MessageProducer producer = session.createProducer(destination); MapMessage message = session.createMapMessage(); message.setString("mailId", mail.getMailId()); message.setString("country", mail.getCountry()); message.setDouble("weight", mail.getWeight()); producer.send(message); session.close(); } catch (JMSException e) { throw new RuntimeException(e); } finally { if (conn != null) { try { conn.close(); } catch (JMSException e) { } } } } }
Correct Answer is : all of the mentioned
6. There are several types of messages defined in the JMS API, including:-
Correct Answer is : All of the mentioned
7. To send a JMS message with this template, you simply call:-
Correct Answer is : send
8. The MessageCreator interface declares method:-
Correct Answer is : createMessage()
9. A JMS template helps you to obtain and release the JMS connection and session.
Correct Answer is : TRUE
10. JMS sender and receiver classes can also extend to retrieve a JMS template:-
Correct Answer is : JmsGatewaySupport
11. When you need access to the JMS template.
Correct Answer is : getJmsTemplate
12. Spring provides an implementation of SimpleMessageConvertor to handle the translation of a JMS message received.
Correct Answer is : TRUE
13. By default, the JMS template uses SimpleMessageConverter for converting TextMessage to or from a string.
Correct Answer is : TRUE
14. For your front desk and back office classes, you can send and receive a map using the:-
Correct Answer is : all of the mentioned
15. There are two main options for scheduling tasks on the Java platform:-
Correct Answer is : All of the mentioned
16. Spring supports JMX by allowing you to export any beans in its IoC container as model MBeans.
Correct Answer is : TRUE
17. Connectors to expose your MBeans for remote access over a specific protocol by using a factory bean.
Correct Answer is : All of the mentioned
18. Spring can also detect and export your MBeans automatically from beans declared in the IoC container and annotated with JMX-specific annotations defined by Spring.
Correct Answer is : TRUE
19. Method, all files in the source directory will be replicated to the destination directory.
Correct Answer is : replicate
20. o register an MBean, you need an instance of the interface :-
import java.lang.management.ManagementFactory;
import javax.management.Descriptor;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.modelmbean.DescriptorSupport;
import javax.management.modelmbean.InvalidTargetObjectTypeException;
import javax.management.modelmbean.ModelMBeanAttributeInfo;
import javax.management.modelmbean.ModelMBeanInfo;
import javax.management.modelmbean.ModelMBeanInfoSupport;
import javax.management.modelmbean.ModelMBeanOperationInfo;
import javax.management.modelmbean.RequiredModelMBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
Correct Answer is : javax.management.MBeanServer
