import com.github.benmanes.caffeine.cache.Cache; import com.github.benmanes.caffeine.cache.Caffeine; public class CacheExample { public static void main(String[] args) { Cache<String, String> cache = Caffeine.newBuilder() .maximumSize(100) .build(); cache.put("key1", "value1"); cache.put("key2", "value2"); String value1 = cache.getIfPresent("key1"); String value2 = cache.getIfPresent("key2"); System.out.println("Value 1: " + value1); System.out.println("Value 2: " + value2); } }