Java Guava Cache 使用2021-07-12

maven 依赖

<dependency><groupId>com.google.guava</groupId><artifactId>guava</artifactId><version>30.1.1-jre</version>
</dependency>

or

<dependency><groupId>com.github.ben-manes.caffeine</groupId><artifactId>guava</artifactId><version>3.0.3</version>
</dependency>

初始化

    Cache<String, Tasks> cache = CacheBuilder.newBuilder().initialCapacity(10).maximumSize(100).expireAfterAccess(10L, TimeUnit.SECONDS)//.build(createCacheLoader());.build();

使用

cache.getIfPresent("wangji");
cache.put("key","value");