JavaBeans interview questions
JavaBeans interview questions
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Total Questions: 15
1. What does the EJB specification architecture define ?
Correct Answer is : All of the above
2. What executes EJB components ?
Correct Answer is : An EJB container
3. What do enterprise beans use to communicate with the EJB container to get runtime context information ?
Correct Answer is : The javax.ejb.EJBContext provided by the container
4. Through what interface does an application create, find, and remove enterprise beans ?
Correct Answer is : javax.ejb.EJBHome
5. What type of enterprise bean is used to embody business objects ?
Correct Answer is : javax.ejb.EntityBean
6. Which of the following is not an Enterprise Beans type?
Correct Answer is : Doubleton
7. Which of the following is not true about Java beans?
Correct Answer is : Extends java.io.Serializable class
8. Which file separator should be used by MANIFEST file?
Correct Answer is : /
9. Which of the following is correct error when loading JAR file with duplicate name?
Correct Answer is : java.lang.ClassFormatError
10. Java Beans are extremely secured?
Correct Answer is : FALSE
11. Which of the following is not a feature of Beans?
Correct Answer is : Serialization
12. What is the attribute of java bean to specify scope of bean to have single instance per Spring IOC?
Correct Answer is : singleton
13. Which attribute is used to specify initialization method?
Correct Answer is : init-method
14. Which attribute is used to specify destroy method?
Correct Answer is : destroy-method
15. How to specify autowiring by name?
Correct Answer is : @Qualifier
