C++ Class Definition Creates safe array, index values are checked before access

#include <iostream>
using namespace std;
#include <process.h>                  // for exit()
const int LIMIT = 100;
class MyArray//  w ww  .java 2 s.  co  m
{
   private:
   int arr[LIMIT];
   public:
   void putel(int n, int elvalue)  //set value of element
   {
      if( n< 0 || n>=LIMIT )
         { cout << "\nIndex out of bounds"; exit(1); }
      arr[n] = elvalue;
   }
   int getel(int n) const          //get value of element
   {
      if( n< 0 || n>=LIMIT )
         { cout << "\nIndex out of bounds"; exit(1); }
      return arr[n];
   }
};
int main()
{
   MyArray sa1;
   for(int j=0; j<LIMIT; j++)  // insert elements
      sa1.putel(j, j*10);
   for(j=0; j<LIMIT; j++)      // display elements
   {
      int temp = sa1.getel(j);
      cout << "Element " << j << " is " << temp << endl;
   }
   return 0;
}