Get items from 2 lists!

Hello everyone, am trying to do that:

So, when a player types [let's say] /potatolists ,it will get all of the items of 2 lists, and it will print a message like that:

Commands:
bluepotato --> redpotato
greenpotato --> normalpotato
etc. [the 1st is (bluepotato, greenpotato) the 1st list (lets say: currentlist) and the 2nd is (redpotato, normalpotato) is the 2nd list!

Would really appreciate some help!

 

Code:

for(int i = 0; i < someList.length; i++)
    player.sendMessage(someList.get(i) + "-->" + someOtherList.get(1));

that hard?

 

@MightyOne
Your method won't even work :]

@LagBug
Why are you using two lists, instead of a hashmap?

 

@LagBug
Do what @Smegel said and use a HashMap. If you intend to have bluepotato always equal to redpotato then this is your best bet.

Otherwise do what @MightyOne said. It will work so long as both lists are the same length.

 

use a config.yml file?