Answer: URN(Uniform Resource Name) is the basically a subset of the Uniform Resource identifier(URL). It uses "urn"scheme for the working an implementation. Uniform resource name functions by identifying components uniquely through their name.
The most common example of URN is ISBN (International Standard Book Number)number which helps in the unique searching and identification of book.
The three real-life objects that are instances of each of the following classes are given below:
a.<u> Song:</u>
The song Believe in yourself is an instance of song class
The song Where do broken hearts go is an instance of song class.
The song Ambition is an instance of song class
b. <u>CollegeCourse</u>
The College course Engineering is an instance of College course class
The College course Accounting is an instance of College course class
The College course Medicine is an instance of College course class
c. <u>Musician:</u>
The musician Rihanna is an instance of musician class.
The musician Sean Paul is an instance of musician class.
The musician Wyclef is an instance of musician class.
Real-life objects refer to the things that are characterized together as they share common qualities. The assignment simply wants you to name examples under the categories given.
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There are different kinds of applications. Control objects control the flow of the application.
<h3>What works the flow of control in a program?</h3>
In computer, control flow or flow of control is known to be a type of an order function calls, instructions, and statements.
They are known to be used in the execution or in an evaluation when a specific program is running. Note that a lot of programming languages have the control flow statements, that helps to know the section of code is run in a program at any given time.
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