HashMap Comments

Comments

• 

  Jason Runkle  

  Apr 16, 11:51 PM

  "The code below demonstrates most of ArrayList's methods (as shown above), but it's missing certain parts."

  Just guessing, but I think you meant to say HashMap instead of ArrayList up there...

• 

  catypus  

  Jun 26, 12:06 PM

  HI I ran this in eclipse and am getting the same output as here...
  HashMap map;
  map = new HashMap();

      map.put("user", "pass");
  

  cont...

      map.put("username", "password");
      map.put("java", "programming");     
  
      /*
       * Printing a HashMap calls the toString method of the AbstractMap class
       * TODO Write the code to print the HashMap
       * Output: {username=password, java=programming, user=pass}
       */
      System.out.println(map);
  

  According to your Correct Output, it should print like {username=password, java=programming, user=pass}
  but it simply doesn't.

• 

  Learneroo  

  Jun 26, 10:27 PM

  It looks like it could print the items inside the hashmap in a different order (this is because HashMaps do not preserve the order of the elements). I simplified the problem so the correct solution

  cont...

  does not involve printing a hashmap with more than one item in it. Sorry for the issue and thanks for letting me know!