<dependencies>
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>caffeine</artifactId>
<version>2.9.0</version>
</dependency>
</dependencies>
import com.github.benmanes.caffeine.cache.Cache;
import com.github.benmanes.caffeine.cache.Caffeine;
public class CaffeineCacheExample {
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");
CacheLoader<String, String> cacheLoader = new CacheLoader<String, String>() {
@Override
public String load(String key) throws Exception {
return "";
}
};
Cache<String, String> cache = Caffeine.newBuilder()
.maximumSize(100)
.buildAsync(cacheLoader);
Cache<String, String> cache = Caffeine.newBuilder()
.maximumSize(100)
.expireAfterWrite(1, TimeUnit.HOURS)
.removalListener((key, value, cause) ->
.build();
