C++ Program to Illustrate Usage of Structs

This C++ program illustrates the usage of structs. The struct is defined using keyword ‘struct’ followed by its name and then the member declarations, either data-members or functions enclosed in curly braces. The members are set to public by default which is opposite to that of class.

Here is the source code of the C++ program illustrates the usage of structs. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```
```
 * C++ Program to illustrate structs
```
```
 */
```
```
#include <iostream>
```
```
 
```
```
struct Car {
```
```
    std::string brand;
```
```
    int age;
```
```
    void setAge(void) {
```

        std::cout << "Enter the age of car : ";

```
        std::cin >> age;
```
```
    }
```
```
    void setBrand(void) {
```

        std::cout << "\nEnter the name of car : ";

```
        std::cin >> brand;
```
```
    }
```
```
};
```
```
 
```
```
void howOld(Car cc)
```
```
{
```
```
    if(cc.age > 5)
```

        std::cout << std::endl << cc.brand << " is very old.";

```
    else
```

        std::cout << std::endl << cc.brand << " is very new.";

```
}
```
```
 
```
```
int main()
```
```
{
```
```
    Car cc;
```
```
 
```
```
    cc.setAge();
```
```
    cc.setBrand();
```
```
    howOld(cc);
```
```
}
```

$ a.out
Enter the age of car : 10
Enter the name of car : Chevy
Chevy is very old.

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