Consider the below code:

SortedList list $=$ new SortedList$()($

$("$b$\mathrm{.}09",234),$

$\{"$b$\mathrm{.}11",395),$

$("$b$\mathrm{.}01",405),$

$("$b$\mathrm{.}67",100),$

$\{"$b$\mathrm{.}55",500\})$;

This is an example of

Object Initializer

Collection Initializer

records

with expressions