Answer / shadab

An output parameter is a mechanism to pass value as
reference.It is like a reference type parameter but one
differece in reference type and output type is
the variable that is passed as output parameter exists only
one copy in memory.
In case of output parameter variable can be
used without initializing i.e local varible can be used
without initializing.
output mechanism is also called out because value
is transfered outside the method.


And parameter array is a way to pass array as parameter


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