import java.util.Arrays;
import java.util.List;
import java.util.Objects;
class Item {
this.id = id;
}
return id;
}
}
public class Main {
public static void main
(String[] args
) { List
<Item
> items
= Arrays.
asList( new Item("7"),
new Item("123123123"),
new Item("8"),
new Item("123123123"),
new Item("9")
);
boolean contains = items
.stream()
.anyMatch(item -> Objects.equals(item.getId(), "123123123"));
String customer
= contains
? "admin" : null; }
}
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