creates a safe array class. : Your array « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » Your array 
2.37.4.creates a safe array class.
#include <iostream>
#include <new>
#include <cstdlib>
using namespace std;
   
class array {
  int *p;
  int size;
public:
  array(int sz) {
    try {
      p = new int[sz];
    catch (bad_alloc xa) {
      cout << "Allocation Failure\n";
      exit(EXIT_FAILURE);
    }
    size = sz;
  }
  ~array() { delete [] p; }
   
  // copy constructor
  array(const array &a);
   
  void put(int i, int j) {
    if(i>=&& i<sizep[i= j;
  }
  int get(int i) {
    return p[i];
  }
};
   
// Copy Constructor
array::array(const array &a) {
  int i;
   
  try {
    p = new int[a.size];
  catch (bad_alloc xa) {
    cout << "Allocation Failure\n";
    exit(EXIT_FAILURE);
  }
  for(i=0; i<a.size; i++p[i= a.p[i];
}
   
int main()
{
  array num(10);
  int i;
   
  for(i=0; i<10; i++num.put(i, i);
  for(i=9; i>=0; i--cout << num.get(i);
  cout << "\n";
   
  // create another array and initialize with num
  array x(num)// invokes copy constructor
  for(i=0; i<10; i++cout << x.get(i);
   
  return 0;
}
2.37.Your array
2.37.1.Define your own array class
2.37.2.Safe array class
2.37.3.SArray
2.37.4.creates a safe array class.
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