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What is the Size of an Empty Class
What is the logic behind size of an empty class = 1? (As per C++)Ex:class base {};main(){printf("Size of the Empty Class is: %dn", sizeof(base));}It gives output: Size of the Empty Class is: 1I have not got the reason / logic behind this.Can anyone help me?
nilesh2080
- Mar 11th, 2011
The size of the empty class is i byte because empty class will provide the default constructor, default destructor, default copy constructor and default assigment operator. These function are called by the address of the pointer to functions, so the size of these address is 1 byte.
amitmanish
- Mar 4th, 2011
The size of an empty class's object is 1. The reason for this is that suppose if we have the size as 0, then two objects created one after the other would point to the same address. Having the siz...
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Memory Allocation
When is memory allocated for a function of a class? Is it when the program is complied, or only when the function is called?
wlochaty
- Jan 19th, 2011
Memory will be alocated during compilation but when there is no objects of the class than no memory may be allocated. Compiler may (not must) do some optimalizations when there is no instances of the class (no funcion call).
