C++ New and Delete related interview questions

Describe new operator and delete operator - new and delete operators are provided by C++ for runtime memory management....
Distinguish between new and malloc and delete and free() - Delete is assocated with new and free(0 is associated with malloc()....
Difference between realloc() and free() - An existing block of memory which was allocated by malloc() subroutine, will be freed by free() subroutine.....