List<Chunk> chunks = new ArrayList<Chunk>();

for (int x = 0; x<10; x++) {
    for (int z = 0; z<10; z++{
        chunks.add(world.getChunkAt(x, z);
    }
}

for (Chunk c : chunks) {
    c.load(true);
}

@EventHandler
public void onChunkLoad(ChunkLoadEvent event) {
    Chunk chunk = event.getChunk();
    if (chunks.contains(chunk) {
        chunks.remove(chunk);
    }
}