Question
What is the primary benefit of
polymorphism?Solution
Polymorphism enables writing code that operates on base class references or interface types, but can actually work with objects of any of their derived classes or implementing classes. This leads to more flexible, extensible, and reusable code, as new types can be added without modifying existing code that uses the polymorphic interface.
What is the principal role of the primary key in a database system?
Which key is used to erase characters to the left of the cursor? Â
Slide setup, slide orientation, presentation themes and background in MS-PowerPoint 2016 (MS-PowerPoint 2016) appear under which of the following menu?
The first generation computers had __________.
Which of the following is the appropriate format of URL of e-mail?
Which among the following statements is incorrect?
Which of the following is not an output device ?
A computer cannot “boot” if it does not have the _____
Which of the following is a computer virus?
For producing high-quality color graphics in hardcopy, the preferred choice would be a: