Implementation of hash table in C & java. Also give some best collision resolutions for hash table¿

Answer 1

(in C)
Which data structure of hash map do you want ?
I know two of them, a big array where every block points to :
- a classical linked list of all elements with the same hash code
- the block of another big array separated in big blocks (first for key, second for data and last for the index of the next element with the same hash code in this big array)