public void setPowertool(ItemType mat, List<String> cmds) { JsonConfig data = getPlayerConfig(); if (pts == null) { pts = new HashMap<>(); if (data.contains("powertool")) { for (String s : data.listKeys("powertool", false)) { ArrayList<String> l = (ArrayList<String>) data.getStringList("powertool." + s); pts.put(ItemDatabase.getItem(s).getItem(), l); } } } pts.put(mat, cmds); data.set("powertool." + mat.toString(), cmds); data.save(); save(); }