I suppose you could read this:
https://docs.oracle.com/javase/tutorial/java/nutsandbolts/arrays.html
but it should be:
if (location.equals("Port Phasmatys")) {
KaliRings.furnacePlace[][] = {x,x}, {y,y}
}
To get them out of there:
//This will get the first x and y
Position pos = new Position(KaliRings.furnace[0], KaliRings.furnace[0]);
//this will get the second x and y
Position pos = new Position(KaliRings.furnace[1], KaliRings.furnace[1]);