Greg's Wiki

摘要： Reference typessoft: for cachingweak: for fast cleanup (pre-finalizer)phantom: for safe cleanup (post-finalizer)Reference queues: for notificationsSoft references: for quick-and-dirty caching onlyCleared when the VM runs low on memoryHopefully in LRU fashionTuned with -XX:SoftRelLRUPolicyMSPerMBhow 阅读全文

摘要： try with resources: new with java7try(FileInputStream in = new FileInputStream(file)){//blabla}//不要再写下面的这个玩意了。//finally{//in.close();//} 阅读全文