import redis.clients.jedis.Jedis;
public class RedisJava {
 public static void main(String[] args) {
  //Connecting to Redis server on localhost
  Jedis jedis = new Jedis("localhost");
  System.out.println("Connection to server sucessfully");
  //check whether server is running or not
  System.out.println("Server is running: "+jedis.ping());
 }
}

$javac RedisJava.java
$java RedisJava
Connection to server sucessfully
Server is running: PONG

import redis.clients.jedis.Jedis;
public class RedisStringJava {
 public static void main(String[] args) {
  //Connecting to Redis server on localhost
  Jedis jedis = new Jedis("localhost");
  System.out.println("Connection to server sucessfully");
  //set the data in redis string
  jedis.set("tutorial-name", "Redis tutorial");
  // Get the stored data and print it
  System.out.println("Stored string in redis:: "+ jedis.get("tutorial-name"));
 }
}

$javac RedisStringJava.java
$java RedisStringJava
Connection to server sucessfully
Stored string in redis:: Redis tutorial

import redis.clients.jedis.Jedis;
public class RedisListJava {
 public static void main(String[] args) {
  //Connecting to Redis server on localhost
  Jedis jedis = new Jedis("localhost");
  System.out.println("Connection to server sucessfully");
  //store data in redis list
  jedis.lpush("tutorial-list", "Redis");
  jedis.lpush("tutorial-list", "Mongodb");
  jedis.lpush("tutorial-list", "Mysql");
  // Get the stored data and print it
  List<String> list = jedis.lrange("tutorial-list", 0 ,5);
  for(int i=0; i<list.size(); i++) {
  System.out.println("Stored string in redis:: "+list.get(i));
  }
 }
}

$javac RedisListJava.java
$java RedisListJava
Connection to server sucessfully
Stored string in redis:: Redis
Stored string in redis:: Mongodb
Stored string in redis:: Mysql

import redis.clients.jedis.Jedis;
public class RedisKeyJava {
 public static void main(String[] args) {
  //Connecting to Redis server on localhost
  Jedis jedis = new Jedis("localhost");
  System.out.println("Connection to server sucessfully");
  //store data in redis list
  // Get the stored data and print it
  List<String> list = jedis.keys("*");
  for(int i=0; i<list.size(); i++) {
  System.out.println("List of stored keys:: "+list.get(i));
  }
 }
}

$javac RedisKeyJava.java
$java RedisKeyJava
Connection to server sucessfully
List of stored keys:: tutorial-name
List of stored keys:: tutorial-list