Modify 0 0 biome!

SpawnBiomeChanger.java

/*
* The MIT License (MIT)
*
* Copyright (c) 2017 Monadologie.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

private static int random = 1 + (int)(Math.random() * 2);

    @EventHandler
    public void SpawnBiomeChanger(ChunkLoadEvent event)
    {
        if (event.isNewChunk() && (event.getWorld() == Bukkit.getServer().getWorlds().get(0))){
            int X = event.getChunk().getX();
            int Z = event.getChunk().getZ();
            if (X >= -6 && X <= 6 && Z >= -6 && Z <= 6){
                for (int x=0; x<16; x++){
                    for (int z=0; z<16; z++){
                        final Block block = event.getChunk().getBlock(x, event.getChunk().getWorld().getHighestBlockYAt(x,z) , z);
                        switch (random) {
                            case 1:
                                block.setBiome(Biome.PLAINS);
                                break;
                            case 2:
                                block.setBiome(Biome.DESERT);
                                break;
                        }
                    }
                }
            }
        }
    }