Spring Questions and Answers – Creating Beans

This set of Java Spring Multiple Choice Questions & Answers (MCQs) focuses on “Creating Beans”.

1. Beans can be created by which of the following properties?
a) Scope
b) Property
c) Class
d) It’s own constructor
View Answer

2. Which attribute is used to specify class name of the bean?
a) name
b) id
c) class
d) constructor-args
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3. Which of the following method can be used to used to instantiate a method?
a) static factory method
b) default-init method
c) destroy method
d) lazy-init method
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4. Which attribute is used to specify static factory-method?
a) factory-method
b) default-init method
c) destroy method
d) lazy-init method
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5. Purpose of Static Factory Method?
a) Static method to create an object
b) Initialize bean
c) All of the mentioned
d) None of the mentioned
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6. Exception thrown by factory method?
a) IllegalArgumentException
b) IndexOutofBoundException
c) ClassPathNotFoundException
d) BeanCreationException
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7. What will be the output?
Snippet of Code:

public class CreatePro {
    String ProductId;
    public CreatePro(String ProductId)	{
        this.ProductId = ProductId;
    }
 
public static Product creation_Product(String productId) {	
    System.out.println("Bean Created");
    if ("aaa".equals(productId)) {
        return new Battery("AAA", 2.5);
    } else if ("cdrw".equals(productId)) {
        return new Disc("CD-RW", 1.5);
    }
}
}
<beans ...>
<bean id="aaa" class="CreatePro"
    factory-method="createProduct">
    <constructor-arg value="aaa" />
</bean>
<bean id="cdrw" class="CreatePro"
    factory-method="createProduct">
    <constructor-arg value="cdrw" />
</bean>
</beans>

a) BeanCreationException
b) Bean Created
c) ClassPathException
d) None of the mentioned
View Answer

8. A bean can have more than one name using multiple id attributes?
a) True
b) False
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9. Bean’s naming convention:-
starts with lowercase, camelcase from then on.?
a) True
b) False
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10. Beans can be created by which of the following properties?
a) Static factory-method
b) Instance Factory-Method
c) All of the mentioned
d) None of the mentioned
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11. The bean instance is mentioned by the factory-method attribute, while the factory method is signified by the factory-bean attribute?
a) True
b) False
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12. One factory class can also hold more than one factory method True/False?
a) True
b) False
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13. Snippet of Code:

public class CreatePro 
{
     String ProductId;
     public CreatePro(String ProductId)	
     this.ProductId = ProductId;
}
 
public static Product creation_Product(String productId) 
{	
     System.out.println("Bean Created");
     if ("aaa".equals(productId)) 
     {
        return new Battery("AAA", 2.5);
     } 
     else if ("cdrw".equals(productId)) 
     {
	return new Disc("CD-RW", 1.5);
     }
 
}
 
  <beans ...>
	<bean id="aaa" class="CreatePro"
	factory-method="createProduct">
	<constructor-arg value="aaa" />
	</bean>
	<bean id="cdrw" class="CreatePro"
	factory-method="createProduct">
	<constructor-arg value="cdrw" />
	</bean>
  </beans>
  slight change in XML file:-
 
<bean id="aaa" factory-bean="productCreator"
factory-method="createProduct">
<constructor-arg value="aaa" />
</bean>
<bean id="cdrw" factory-bean="productCreator"
factory-method="createProduct">
<constructor-arg value="cdrw" />
</bean>

What will be the output:-
a) BeanCreationException
b) IllegalArgumentException
c) New Product will be created
d) None of the mentioned
View Answer

14. Instance Factory method main purpose is to encapsulate the object-creation process in a method of another object instance.
a) True
b) False
View Answer

15. Which Attribute is used to specify the bean declared?
a) factory-bean
b) scope
c) getBean
d) declareBean
View Answer

Sanfoundry Global Education & Learning Series – Java Spring.
To practice all areas of Java Spring, here is complete set of 1000+ Multiple Choice Questions and Answers.