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Possible Duplicate:
Difference between A* pA = new A; and A* pA = new A();
Variable initialization (pointer and value)
Assuming that MyClass has a default constructor, what’s the difference between
MyClass *mc = new MyClass;
and
MyClass *mc = new MyClass();
2 extra characters in the code.
If the class is a POD type (not your case), the latter will perform value-initialization.