String List

Hello everyone! I'm having a bit of trouble with my string lists.
My current config is this, before attempting to create anything besides sections:

Code:

rohan576:
  points: {}
  purchased:
    player_upgrades: {}

Then, once I attempt to add something to player_upgrades, this happens:

Code:

rohan576:
  points: {}
  purchased:
    player_upgrades: true

Here's the code I use to attempt to add a string to the player_upgrades string list:

Code:java

yml.set(p + ".purchased." + upgradeSection, yml.getStringList(p + ".purchased." + upgradeSection).add(shopItem));

(p is the player's name, upgradeSection is "player_upgrades" [at the moment], and shopItem is "speed1" [once again, at the moment.])

Any help would be appreciated! Thanks! : )

 

rohan576
getStringList() returns an List<String>, and its add() method returns a boolean. Basically, you're setting the field "player_upgrades" equal to a boolean, not a List<String>.

What you want to do is create a new List<String>, and set it equal to the string list in file.

Code:java

List<String> clone = yml.getStringList(p + ".purchased". + upgradeSection);

Then add the object to that list

Code:java

clone.add(shopItem);

Then update the file by setting the field equal to the clone list.

Code:java

yml.set(p + ".purchased." + upgradeSection, clone);

Then save the file.

 

Assist
It worked! Thank you very much.