import redis clients jedis Jedis import java util Iterator import java

import redis.clients.jedis.Jedis;

import java.util.Iterator;
import java.util.Set;

enum Modif {
    ins, del, exam;
}

public class AddKeyWord {
    public static void main(String[] args){
        Jedis jedis = new Jedis("localhost");


        //jedis.sadd("filter", "word1");
        //jedis.sadd("filter", "word2");
        //jedis.srem("filter", "word1");
        Modif modif = Modif.valueOf(args[0]);

        switch (modif) {
            case ins:
            {
                for(int i = 1; i < args.length; i++)
                    jedis.sadd("filter", args[i]);
                break;
            }
            case del:
            {
                for(int i = 1; i < args.length; i++)
                    jedis.srem("filter", args[i]);
                    //jedis.sismember() проверка на принадлежность множества
                break;
            }
            case exam:
            {
                Set<String> names=jedis.smembers("filter");
                Iterator<String> it = names.iterator();
                while (it.hasNext()) {
                    String s = it.next();
                    System.out.print(s + "\n");
                }
                break;
            }
        }
    }
}