how to convert Class types to Instance types ? Are GWT Places Singleton ?!

I have custom places in my app:
HomePlace extends ApplicationPlace {}
MailPlace extends ApplicationPlacfe {}

I keep a reference of all my places in an array, in some other class

class AppPlaces {

Place[] places = {
HomePlace.class,
SettingsPlace.class,
MailPlace.class
}

}

how can I convert from "HomePlace.class" to HomePlace instance,
preferrably using Gin and avoiding "new keyword"?

are GWT Places Singleton ?

cheers

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