GorshkovNikita

class LRUCache {
    private Map<Integer, CacheNode> cache;
    private int capacity;
    private CacheNode head;
    private CacheNode tail;

    private static class CacheNode {
        public int key;
        public int value;
        public CacheNode next;

GorshkovNikita

import org.apache.storm.generated.Bolt;
import org.apache.storm.generated.ComponentCommon;
import org.apache.storm.generated.SpoutSpec;
import org.apache.storm.generated.StormTopology;
import org.apache.storm.scheduler.*;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;