Question

Write C++ statements that do the following:

Define an enum type, birdType, with the values PEACOCK, SPARROW, CANARY, PARROT, PENGUIN, OSTRICH, EAGLE, CARDINAL, and HUMMINGBIRD.

Declare a variable bird of the type birdType.

Assign CANARY to the variable bird.

Advance bird to the next value in the list.

Decrement bird to the previous value in the list.

Output the value of the variable bird.

Input value in the variable bird.

Write C++ statements that do the following:

Define an enum type, birdType, with the values PEACOCK, SPARROW, CANARY, PARROT, PENGUIN, OSTRICH, EAGLE, CARDINAL, and HUMMINGBIRD.

Declare a variable bird of the type birdType.

Assign CANARY to the variable bird.

Advance bird to the next value in the list.

Decrement bird to the previous value in the list.

Output the value of the variable bird.

Input value in the variable bird.

Answer 1

Answer:

a) An enum is defined named birdType, some values are also defined as asked by the user
Solution:
enum birdType{ PEACOCK, SPARROW, CANARY, PARROT, PENGUIN, OSTRICH, EAGLE, CARDINAL,
HUMMINGBIRD };

b) Declare a variable bird of the type birdType.
Solution:
birdType bird;

c) Assign CANARY to the variable bird.
Solution:
bird = CANARY;

d) Advance bird to the next value in the list.
Solution:
bird = static_cast<birdType>(int(bird)+1);

e) Output the value of the variable bird.
Solution: Use switch case to output the value of the variable bird.
switch(bird)
{
case PEACOCK : std::cout << "PEACOCK\n"; break;
case SPARROW: std::cout << "SPARROW\n"; break;
case CANARY : std::cout << "CANARY\n"; break;
case PARROT : std::cout << "PARROT\n"; break;
case PENGUIN: std::cout << "PENGUIN\n"; break;
case OSTRICH : std::cout << "OSTRICH\n"; break;
case EAGLE : std::cout << "EAGLE\n"; break;
case CARDINAL: std::cout << "CARDINAL\n"; break;
case HUMMINGBIRD : std::cout << "HUMMINGBIRD\n"; break;
}

f) Input a value (from the user) in the variable bird.
solution: int input; cin>>input; bird = static_cast<birdType>(input);

g.Input value in the variable bird

Answer: string

bird1;Cin>>bird1;

If(bird1==”Peacock”)

code :

#include <iostream>
using namespace std;
//(a)enum birdType defined with some values
enum birdType{ PEACOCK, SPARROW, CANARY, PARROT, PENGUIN, OSTRICH, EAGLE, CARDINAL,
HUMMINGBIRD };
//start the main() function
int main()
{
//(b) Declare a variable bird of the type birdType
birdType bird;
//(c) Assign CANARY to the variable bird.
bird = CANARY;
//(d) Advance bird to the next value in the list.
bird = static_cast<birdType>(int(bird)+1);
//(e) Use switch statement to Output the value of the variable bird
switch(bird)
{
case PEACOCK : std::cout << "PEACOCK\n"; break;
case SPARROW: std::cout << "SPARROW\n"; break;
case CANARY : std::cout << "CANARY\n"; break;
case PARROT : std::cout << "PARROT\n"; break;
case PENGUIN: std::cout << "PENGUIN\n"; break;
case OSTRICH : std::cout << "OSTRICH\n"; break;
case EAGLE : std::cout << "EAGLE\n"; break;
case CARDINAL: std::cout << "CARDINAL\n"; break;
case HUMMINGBIRD : std::cout << "HUMMINGBIRD\n"; break;
}
int input;
cout<<"Enter new value for bird: ";
//(f) Input a value (from the user)
cin>>input;
//(f) Store the inputted value by the user to the variable bird.
bird = static_cast<birdType>(input);
//Display the result of the new inputted variable.
switch(bird)
{
case PEACOCK : std::cout << "PEACOCK\n"; break;
case SPARROW: std::cout << "SPARROW\n"; break;
case CANARY : std::cout << "CANARY\n"; break;
case PARROT : std::cout << "PARROT\n"; break;
case PENGUIN: std::cout << "PENGUIN\n"; break;
case OSTRICH : std::cout << "OSTRICH\n"; break;
case EAGLE : std::cout << "EAGLE\n"; break;
case CARDINAL: std::cout << "CARDINAL\n"; break;
case HUMMINGBIRD : std::cout << "HUMMINGBIRD\n"; break;
}
return 0;
}

simple output:

PARROT Enter new value for bird: 5 OSTRICH

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