Hashmap method not accepting defined parameters

Posted by Ocasta Eshu on Stack Overflow See other posts from Stack Overflow or by Ocasta Eshu
Published on 2012-03-30T17:03:53Z Indexed on 2012/03/30 17:29 UTC
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My assignment is to implement a contact list in a HashMap. All has gone well except for the problem in the code below. the HashMap method put(K key, V value) isnt accepting the defined parameters String, List.

public ContactList(){
  private HashMap<String, List<String>> map;

  public void update(String name, List<String> number){
    this.map.put(name, number)

The error is:

 The method put(String, List<String>) is undefined for the type ContactList

How do I correct this?

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