hashmap

Why does the put method take as input key a parameter of the K type: public V put(K key, V value) And the get method takes ... d not K? After all, it's somehow ugly, or something (different style)... and this should probably have some special meaning.

I look at the picture about the hash table and see this word: buckets. Tell us what it is and for what purpose?

Is my first question, sorry for the extension, I am doubts in the following exercise: Create a Pizza class that has the ... diente por String, mas o método identifica como Integer p1.adicionaIngrediente(ingrediente.get("manjericao")); } }

I'm trying to do this exercise, I don't know where I'm going wrong. Can you help me? I need to create a map that has by key ... ystem.out.println(m.getKey()+" "+m.getValue()); } nomeCidade.close(); qtdCidade.close(); } }

The concept of hashes (or tables hash) is already embedded in various programming languages such as Javascript, Python, Rub ... e in a hash? Just Know Your implementation is different of chained structures like stacks, queues, lists, binary trees, etc.

What are the main differences between HashMap and TreeMap? Regarding the use, in which situations is it recommended to use each one?

I am trying to use a loop to show the grouped information of a Map. for(Map.Entry<Date, List<Exam>> entry : grou ... y values are a List<Classe>. Would you like to know how I can sort my Map by your key? Obs: my minSdkVersion is 23.

I have a closed hash table with open addressing and linear polling for the following word dictionary, of a text; The inpu ... 't you spend too much memory? How to deal with this problem of hash table closed with open addressing and linear polling"?

I'm a Python beginner, and I'm doing an exercise that says the following: Considering a string, " We will keep a hash ma ... rn True " Wanted to understand what the hash map is actually and why I should create the algorithm following this approach.

I'm making a system in .vb, in it I use a HASHTABLE called returnows On the Home page.aspx.vb I do a dataBind on a front ... yEntry' não contém uma propriedade com o nome 'LOGO_EMP_64'.' Would anyone know how to help me? I don't know much about it

What is the best way to iterate objects in a HashMap in Java in order to have access to the key and value of each entry?