offer
Inserts a value into this heap.
If the number of values would exceed the heap's maxSize, the least value is discarded
Return
the new 'top' element in the queue.
Parameters
value
the value to add
Inserts array of values into this heap.
Values must be sorted in ascending order.
Return
the new 'top' element in the queue.
Parameters
values
a set of values to insert, must be sorted in ascending order
len
number of values from the values array to insert