Question

Given the code:

myObj *x = new myObj[100];

What is the principal difference between delete x; and delete [] x;

Cosmo · Accepted Answer

delete x; causes the undefined behavior

Cosmo · Answer

There is no difference

Cosmo · Answer

delete[] x; causes the undefined behavior

Cosmo · Answer

delete x; deletes just the first object of the dynamically allocated array

Cosmo · Answer

delete[] x; is syntactically incorrect