2018年10月16日
sonar——"entrySet()" should be iterated when both the key and value are needed
摘要： When only the keys from a map are needed in a loop, iterating the keySet makes sense. But when both the key and the value are needed, it's more effici 阅读全文
posted @ 2018-10-16 15:43 赭山东路 阅读(1113) 评论(0) 推荐(0)
sonar——Synchronized classes Vector, Hashtable, Stack and StringBuffer should not be used
摘要： It is better to use their new unsynchronized replacements: ArrayList or LinkedList instead of Vector Deque instead of Stack HashMap instead of Hashtab 阅读全文
posted @ 2018-10-16 15:02 赭山东路 阅读(2480) 评论(0) 推荐(0)