摘要： import java.util.LinkedHashMap; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock; public class LRUCache<K, V> extends LinkedHashMap<K, V> { private static final long serialVersionUID = -656812640814484468L; /** 默认最大容量 */ private static final int DEF 阅读全文