


How do you use the methods of Connection, Statement, and ResultSet objects through their reference variables?
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
Find similar items here:
what is reference variable in java Informational
- How is the 'super' reference used in the context of inheritance and reference variables?
- How does a reference variable differ from a primitive variable in Java?
- Explain the relationship between reference variables and polymorphism in Java with examples.
- How do the default values and lifetimes differ for local, instance, and static reference variables?
- What is the purpose of the 'new' keyword in Java in relation to reference variables?
- Describe the role of reference variables in implementing design patterns like Observer or Decorator.
- Explain the role of reference variables in implementing data structures like stacks and queues.
- Can you have a reference to a primitive type in Java? Why or why not?
- How does encapsulation, achieved through access modifiers, relate to the use and control of reference variables?
- How can you access the members (fields and methods) of an object using a reference variable in Java?
-
Next Day Delivery by USPS
Find out more
Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
Find out more
Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
No reviews yet. Only logged in customers who have purchased this product may leave a review.