A class “Pair” Program plan: Declare the header files and namespace. Create a template class “Pair”, Declare the public access modifier. Declare the generic type variables. Define the public access modifier. Define the constructor to set the initial values. Define the method “display1()” to print the output. Define the “main()” function, Initialize the necessary constant variables. Print the string “Pair 1.”. Construct the first object to pair integer and string values. Call the method to “display1()” to print the pair of integer and string values. Print the string “Pair 2.”. Construct the second object to pair float and long type values. Call the method to “display1()” to print the pair of float and long type values. Print the string “Pair 3.”. Construct the third object to pair double and char type values. Call the method to “display1()” to print the pair of double and char type values. Print the string “Pair 4.”. Construct the fourth object to pair integer and double type values. Call the method to “display1()” to print the pair of integer and double type values. Print the string “Pair 5.”. Construct the fifth object to pair string and char type values. Call the method to “display1()” to print the pair of string and char type values. Return “0”.

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Chapter 2, Problem 18R

Program Plan Intro

A class “Pair”

Program plan:

Declare the header files and namespace.

Create a template class “Pair”,

Declare the public access modifier.

Declare the generic type variables.

Define the public access modifier.

Define the constructor to set the initial values.

Define the method “display1()” to print the output.

Define the “main()” function,

Initialize the necessary constant variables.

Print the string “Pair 1.”.

Construct the first object to pair integer and string values.

Call the method to “display1()” to print the pair of integer and string values.

Print the string “Pair 2.”.

Construct the second object to pair float and long type values.

Call the method to “display1()” to print the pair of float and long type values.

Print the string “Pair 3.”.

Construct the third object to pair double and char type values.

Call the method to “display1()” to print the pair of double and char type values.

Print the string “Pair 4.”.

Construct the fourth object to pair integer and double type values.

Call the method to “display1()” to print the pair of integer and double type values.

Print the string “Pair 5.”.

Construct the fifth object to pair string and char type values.

Call the method to “display1()” to print the pair of string and char type values.

Return “0”.

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