Redis API BitMap，枚举

enum Season {
    //枚举：一组常量
    //定义一年四季：Spring,Summer,Autumn,Winter
    Spring,Summer,Autumn,Winter
}
class SeasonNew{
    //枚举：一组常量
    //定义一年四季：Spring,Summer,Autumn,Winter
    public static final String Spring="Spring";
    public static final String Summer="Summer";
    public static final String Autumn="Autumn";
    public static final String Winter="Winter";
}
public class Test01Enum{
    public static void main(String[] args) {
        System.out.println(Season.Spring);
        System.out.println(Season.Summer);
        System.out.println(Season.Autumn);
        System.out.println(Season.Winter);
        System.out.println("---------------------");
        for (Season value : Season.values()) {
            System.out.println(value);
        }
        System.out.println("-------------------------");
        System.out.println(SeasonNew.Spring);
        System.out.println(SeasonNew.Summer);
        System.out.println(SeasonNew.Autumn);
        System.out.println(SeasonNew.Winter);
        System.out.println("----------------------------");
        Season summer = Season.Summer;
        System.out.println(Season.valueOf("Summer"));
        System.out.println(summer.ordinal());
        System.out.println("-------------------------");
        switch(summer){
            case Spring:
                System.out.println("放风筝");
                break;
            case Summer:
                System.out.println("游泳");
                break;
            case Autumn:
                System.out.println("大丰收");
                break;
            case Winter:
                System.out.println("打雪仗");
                break;
        }
    }
}

package com.shujia;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.args.BitOP;

import java.nio.charset.StandardCharsets;

public class Demo03BitMap {
    Jedis jedis;

    @Before
    //@Test注解方法前会运行一次
    public void init() {
        jedis = new Jedis("master", 6379);
    }

    @Test
    public void setBit(){
        //b1 0001 0001 1000 0000
        jedis.setbit("b1",7,true);
        jedis.setbit("b1",3,true);
        jedis.setbit("b1",8,true);
        //b2 0001 1100 0000 0000
        jedis.setbit("b2",4,true);
        jedis.setbit("b2",3,true);
        jedis.setbit("b2",5,true);
    }

    @Test
    public void getBit(){
        System.out.println(jedis.getbit("b1", 3));
        System.out.println(jedis.getbit("b1", 4));
        System.out.println(jedis.getbit("b2", 5));
        System.out.println(jedis.getbit("b2", 6));
    }

    @Test
    public void get(){
        System.out.println(jedis.get("b1"));
        System.out.println(jedis.get("b2"));
        System.out.println(jedis.get("rb1"));
        System.out.println(jedis.get("rb2"));
        System.out.println(jedis.get("rb3"));
        System.out.println(jedis.get("rb4"));
    }

    @Test
    public void bitOp(){
        //b1 0001 0001 1000 0000
        //b2 0001 1100 0000 0000
        jedis.bitop(BitOP.AND,"rb1","b1","b2");
        //b1 0001 0001 1000 0000
        //b2 0001 1100 0000 0000
        jedis.bitop(BitOP.NOT,"rb2","b1","b2");
        //b1 0001 0001 1000 0000
        //b2 0001 1100 0000 0000
        jedis.bitop(BitOP.OR,"rb3","b1","b2");
        //b1 0001 0001 1000 0000
        //b2 0001 1100 0000 0000
        jedis.bitop(BitOP.XOR,"rb4","b1","b2");
    }

    @After
    //@Test注解方法后会运行一次
    public void close(){
        jedis.close();
    }
}