Java8: select min value from specific field of the objects in a list

Question

Suppose to have a class Obj

class Obj{

  int field;
}

and that you have a list of Obj instances, i.e. List<Obj> lst.

Now, how can I find in Java8 the minimum value of the int fields field from the objects in list lst?

Answer 1

You can also do

int min = list.stream().mapToInt(Obj::getField).min();