Java Beans MCQ

Test your knowledge with important Java Beans MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Java Beans MCQs at Bissoy

• How to specify autowiring by name?
  ক

  @Qualifier

  খ

  @Type

  গ

  @Constructor

  ঘ

  @Name
• Which attribute is used to specify destroy method?
  ক

  destroy

  খ

  destroy-method

  গ

  destruction

  ঘ

  destruction-method
• Which attribute is used to specify initialization method?
  ক

  init

  খ

  init-method

  গ

  initialization

  ঘ

  initialization-method
• What is the attribute of java bean to specify scope of bean to have single instance per Spring IOC?
  ক

  prototype

  খ

  singleton

  গ

  request

  ঘ

  session
• Which of the following is not a feature of Beans?
  ক

  Introspection

  খ

  Events

  গ

  Persistence

  ঘ

  Serialization
• Java Beans are extremely secured?
  ক

  True

  খ

  False
• Which of the following is correct error when loading JAR file with duplicate name?
  ক

  java.io.NullPointerException

  খ

  java.lang.ClassNotFound

  গ

  java.lang.ClassFormatError

  ঘ

  java.lang.DuplicateClassError
• Which file separator should be used by MANIFEST file?
  ক

  /

  খ

  \

  গ

  –

  ঘ

  //
• Which of the following is not true about Java beans?
  ক

  Implements java.io.Serializable interface

  খ

  Extends java.io.Serializable class

  গ

  Provides no argument constructor

  ঘ

  Provides setter and getter methods for its properties
• Which of the following is not an Enterprise Beans type?
  ক

  Doubleton

  খ

  Singleton

  গ

  Stateful

  ঘ

  Stateless