A tuple is s new data type introduced in .Net Framework 4.0.
It is used when we want to store multiple values having different data type and
without having a class to store the value, in this situation the tuple is best
option. In other words a Tuple is a container that contains similar or
different data type (7 items) and 1 Tuple.
Declaration of Tuple
The declaration of the Tuple is similar to dictionary <tkey,
tvalue>
Tuple<t1>
Tuple<t1, t2, t3>
Tuple<t1, t2, t3, t4>
Tuple<t1, t2, t3, t4, t5>
Tuple<t1, t2, t3, t4, t5, t6>
Tuple<t1, t2, t3, t4, t5, t6, t7>
Tuple<t1, t2, t3, t4, t5, t6, t7, tRest>
T is any data type and tRest a tuple type.