MCQ on Java Beans & JDBC

Which of the following is not an Enterprise Beans type?

• Doubleton
• Singleton
• Stateful
• Stateless

Which of the following is not true about Java beans?

• Implements java.io.Serializable interface
• Extends java.io.Serializable class
• Provides no argument constructor
• Provides setter and getter methods for its properties

Which file separator should be used by MANIFEST file?

• /
• \
• –
• //

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

• java.io.NullPointerException
• java.lang.ClassNotFound
• java.lang.ClassFormatError
• java.lang.DuplicateClassError

Java Beans are extremely secured?

• True
• False

Which of the following is not a feature of Beans?

• Introspection
• Events
• Persistence
• Serialization

What is the attribute of java bean to specify scope of bean to have single instance per Spring IOC?

• prototype
• singleton
• request
• session

Which attribute is used to specify initialization method?

• init
• init-method
• initialization
• initialization-method

Which attribute is used to specify destroy method?

• destroy
• destroy-method
• destruction
• destruction-method

How to specify autowiring by name?

• @Qualifier
• @Type
• @Constructor
• @Name