Array in C++ STL - Sanfoundry

This C++ Program demonstrates implementation of Array in STL.

Here is source code of the C++ Program to demonstrate Array in STL. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below. Compilable only in C++ 11.

```
/*
```

 * C++ Program to Implement Array in Stl

```
 */
```
```
#include <iostream>
```
```
#include <array>
```
```
#include <string>
```
```
#include <cstdlib>
```
```
using namespace std;
```
```
int main()
```
```
{
```
```
    array<int, 5> arr;
```
```
    array<int, 5>::iterator it;
```
```
    int choice, item;
```
```
    arr.fill(0);
```
```
    int count = 0;
```
```
    while (1)
```
```
    {
```

        cout<<"\n---------------------"<<endl;

        cout<<"Array Implementation in Stl"<<endl;

        cout<<"\n---------------------"<<endl;

        cout<<"1.Insert Element into the Array"<<endl;

        cout<<"2.Size of the array"<<endl;

        cout<<"3.Front Element of Array"<<endl;

        cout<<"4.Back Element of Array"<<endl;

        cout<<"5.Display elements of the Array"<<endl;

```
        cout<<"6.Exit"<<endl;
```
```
        cout<<"Enter your Choice: ";
```
```
        cin>>choice;
```
```
        switch(choice)
```
```
        {
```
```
        case 1:
```

            cout<<"Enter value to be inserted: ";

```
            cin>>item;
```
```
            arr.at(count) = item;
```
```
            count++;
```
```
            break;
```
```
        case 2:
```

            cout<<"Size of the Array: ";

```
            cout<<arr.size()<<endl;
```
```
            break;
```
```
        case 3:
```

            cout<<"Front Element of the Array: ";

```
            cout<<arr.front()<<endl;
```
```
            break;
```
```
        case 4:
```

            cout<<"Back Element of the Stack: ";

```
            cout<<arr.back()<<endl;
```
```
            break;
```
```
        case 5:
```

            for (it = arr.begin(); it != arr.end(); ++it )

```
                cout <<" "<< *it;
```
```
            cout<<endl;
```
```
            break;
```
```
        case 6:
```
```
            exit(1);
```
```
            break;
```
```
        default:
```
```
            cout<<"Wrong Choice"<<endl;
```
```
        }
```
```
    }
```
```
    return 0;
```
```
}
```

$ g++ array.cpp
$ a.out
 
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 1
Enter value to be inserted: 2
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 1
Enter value to be inserted: 3
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 1
Enter value to be inserted: 4
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 1
Enter value to be inserted: 5
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 1
Enter value to be inserted: 6
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 2
Size of the Array: 5
 
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 3
Front Element of the Array: 2
 
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 4
Back Element of the Stack: 6
 
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 5 
2 3 4 5 6
 
---------------------
Array Implementation in Stl
 
---------------------
1.Insert Element into the Array
2.Size of the array
3.Front Element of Array
4.Back Element of Array
5.Display elements of the Array
6.Exit
Enter your Choice: 6
 
 
------------------
(program exited with code: 1)
Press return to continue

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