Definite future expresses that the speaker is certain about the future occurence of the proposition he/she expresses.
This tense is restricted to the literary language.
Botirlar xalqning xotirisida hamisha yashayajaklar.
The heroes will stay in the people's memory forever.
Men ko’rmagan baxtni kimdir ko’rajak.
Somebody will see the happinness I could not see.