A C++ question, I know int* foo (void) foo will return a pointer to int type how about int &foo (void) what does it return? Thank a lot!

Nov 25, 2013 · It is a pointer to function that returns int* and accepts int* and pointer to function that returns int* (and accepts undefined number of parameters; see comments).

Sep 25, 2010 · int** i (Ie, in the second case you will require two dereferrences to access the integer's value)

int* i, int * i, int*i, and int *i are all exactly equivalent. This stems from the C compiler (and it's compatible C like systems) ignoring white space in token stream generated during the process of parsing the …

Dec 30, 2011 · int a = 5; int& b = a; b = 7; cout << a; prints out 7, and replacing int& b with int &b also prints out 7. In fact so does int&b and int & b. I tested this kind of behavior with a simple class as …

I prefer int* i because i has the type "pointer to an int", and I feel this makes it uniform with the type system. Of course, the well-known behavior comes in, when trying to define multiple pointers on one …

Jun 16, 2013 · int a = int(); it value-initializes , so that it holds value . This syntax does not require the presence of a constructor for built-in types such as . Note that this form is necessary because the …

int is a primitive data type while Integer is a Reference or Wrapper Type (Class) in Java. after java 1.5 which introduce the concept of autoboxing and unboxing you can initialize both int or Integer like this.

Oct 1, 2009 · For example, when you cast a pointer to an int. perform a conversion as part of the cast operation. For example, when casting a float to an int, the data is actually transformed from the form …

Mar 14, 2012 · int is a primitive type allowed by the C# compiler, whereas Int32 is the Framework Class Library type (available across languages that abide by CLS). In fact, int translates to Int32 during …