System.out.println("name = " + cache.getName() + ", version = " + cache.getVersion() + ", status = " + cache.getStatus());
System.out.println("name = " + cache01.getName() + ", version = " + cache01.getVersion() + ", status = " + cache01.getStatus());
System.out.println("name = " + cache02.getName() + ", version = " + cache02.getVersion() + ", status = " + cache02.getStatus());
System.out.println("name = " + cache03.getName() + ", version = " + cache03.getVersion() + ", status = " + cache03.getStatus());
cache.put("key", new User(1, "Kylin Soong", "IT"));
System.out.println(cache.size());
System.out.println(cache.containsKey("key"));
System.out.println(cache.get("key"));
Object obj = cache.remove("key");
System.out.println(obj);
System.out.println(cache.size());
cache.put("key", new User(1, "Kylin Soong", "Software Engineer"));
cache.put("key", new User(2, "Kobe Bryant", " Basketball Player"));
System.out.println(cache.get("key"));
cache.put("key", new User(1, "Kylin Soong", "Software Engineer"), 5, TimeUnit.SECONDS);
System.out.println(cache.get("key"));
Thread.sleep(5 * 1000);
System.out.println(cache.get("key"));
}