Collection Java Book

static>T max(Collection coll)
Returns the maximum element of the given collection, according to the natural ordering of its elements.
static T max(Collection coll, Comparator comp)
Returns the maximum element of the given collection, according to the order induced by the specified comparator.
static>T min(Collection coll)
Returns the minimum element of the given collection, according to the natural ordering of its elements.
static T min(Collection coll, Comparator comp)
Returns the minimum element of the given collection, according to the order induced by the specified comparator.