C++: union δΉŸζœ‰ζ˜₯倩

C++: Overloading on return values is NOT allowed (neither in java)

C++: new & delete

C++: Default function arguments & Placeholder arguments

C++: constructors and destructors

C++: Aggregate initialization

C++: friend

C++: Using struct like a class / Nested struct / Global scope resolution inside struct

C++: The multiple-declaration problem / Never put using in headers

C++: Setting the debugging flags / assert