확장성 측면에서 Java 프레임워크의 장점은 무엇입니까?

import com.google.cloud.cache.v1.CacheServiceClient;
import com.google.cloud.cache.v1.Cache;
import com.google.cloud.cache.v1.Range;
import java.io.IOException;
import java.util.Arrays;

public class ElasticExample {

  public static void main(String[] args) throws IOException {
    // Create a client
    try (CacheServiceClient cacheServiceClient = CacheServiceClient.create()) {
      // Get cache name
      String projectId = "my-project-id";
      String regionId = "us-central1";
      String cacheId = "my-cache";
      String cacheName = CacheServiceClient.formatCacheName(projectId, regionId, cacheId);

      // Retrieve cache metadata
      Cache cache = cacheServiceClient.getCache(cacheName);
      long totalNodes = cache.getNodeCount();

      // Add one more node
      long newTotalNodes = totalNodes++;

      // Update cache
      cache =
          cacheServiceClient.updateCache(
              Cache.newBuilder()
                  .setName(cacheName)
                  .addAllNodeIds(Arrays.asList("node1", "node2", "node3"))
                  .setNodeCount(newTotalNodes)
                  .build());

      // Print updated cache
      System.out.println(cache);
    }
  }
}