Answer / priyanka samal

Forward declaration means:first you declare the function
what function u want to use in package.atlast doing all the
details of procedure whatever u taken in package
specification.then u define all the details or body part of
function.

2:if u not define function first,there is aerror u have
faced.when u passed this function in procedure
defination,there is a error u faced in compilation.The
procedure can't recognized that function.

Answer / swapna

Forward Declaration means.. If you are defining a package
body having two procedures , If u want to use second
procedure in the defination of first procedure.

You have to declare the second package with its arguments
(if have) before using in the defination of first
procedure.its labled as forward declaration.

Answer / papia

You must declare the identifier before referencing them.
It consists of the subprogram specification teminated by a
semicolon.

Answer / raghavendra

declaration first defination later is nothing but a forward
declaration

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