EOF-Using EOF-Deleting

Person person; //Assume is an EO that exists
EOEditingContext ec = person.editingContext(); //Always make sure you are using the correct editing context
ec.deleteObject(person); //Mark the EO for deletion
ec.saveChanges(); //Commit

Person person; /Assume is an EO that exists
EOEditingContext ec = person.editingContext();
ec.deleteObject(person);

try {
  ec.saveChanges();
} catch (Exception e) {
  //something bad happened, the delete didn't occur
  //well don't just stand there, do something about it!
  ec.revert(); // clean up the mess
}