When we instantiate a generic class, the generic parameter of that class

$($say$,)$ can be replaced with primitives such as int$/$float$/$long$,$ etc

True

False

Which one of the following creates an instance of an array? $*$

int$[]$ ia $=$ new int$[15]$;

float fa $=$ new float$[20]$;

String str $=$ "Some String";

int ia$[][]=\{4,5,6\},\{1,2,3\}$;

None of the other options

All of the given options

Provide explanation for the correct option$/$ answer for each question