wuweiwoshishei的博客

1、UML类图和时序图2、实例说明spring策略模式实例说明，通过@Resource注解集合或者数组实现。public interface Strategy { void execute();}@Component("ali")public class AliStrategy implements Strategy { @Override public v...

Algorithms15. 3SumGiven an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.Note:The soluti...

Algorithms102. Binary Tree Level Order TraversalGiven a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree ...

Algorithms146. LRU CacheDesign and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put.get(key) - Get the value (will always be ...