A program to input, display and remove duplicates from an integer array using the concept of OOP

OOP_RemoveDuplicate.cpp

#include <iostream>

using namespace std;

class CLASSONE
{
public:
    void remDup(int a[],int size)
    {
        int i , j , k;
        for ( i = 0; i < size; i++)
        {
            for ( j = i+1; j < size ; )
            {
                if (a[i]==a[j])
                {
                    for( k =j ; k < siz; k++)
                    {
                        //Replaces the value of element by next one
                        a[k]=a[k+1];
                    }
                    size--; //Reduces size by 1,Important
                }
                else
                    j++;//Skips to next number!
            }
        }

        for( i =0 ; i < siz; i++)
            cout<<a[i]<<endl;
    }
};

int main(void)
{
    int b[50],n,i,j;
    cout<<"Enter array size\n";
    cin>>n;
    cout<<"Enter elements \n";
    for(i = 0; i < n; i++)
        cin>>b[i];
    cout<<"The array is \n";
    for( i = 0 ; i < n; i++)
        cout<<b[i]<<endl;
    cout<<"The new array is \n";

    CLASSONE objectOne;
    objectOne.remDup(b,n);
    return 0;
}