how to call this code

[gong tji]

Hello everyone,

Usually this code often appear in android programming :

List<Test>
Array<Test>
Future<Test>

which Test usually is a class

if these code call as variable :

String test;
Int num;
Toast show;

how about those codes on above?

please someone tell me

Thanks

[Damon McNeill]

There is absolutely no relation between these code segments.