Dynamic Objects

• The destructor is called implicitly with operator delete

// run time bindings
IntArray * xptr, * yptr;                  // pointers to type IntArray
...
{
  IntArray * aptr = new IntArray;         // ptr to default IntArray object
  IntArray * bptr = new IntArray(100);    // ptr to 100-element IntArray object
  // Note that IntArray constructors are called as operator new is invoked
  ...
  xptr = aptr;            // simple assignment of integer type (addresses)
  yptr = bptr;            // simple assignment of integer type
  ...
}
// Note that aptr and bptr go out of scope here, but
// objects they point to are global scope and STILL EXIST
...
delete xptr;              // destructor called
delete yptr;              // destructor called