dimkang的博客

You can create project by maven. But basically, we don’t prefer to do it. We always use Eclipse/IntelliJ to create maven project.After creating project by maven project template in IntelliJ, we got bel

7. Reverse IntegerReverse digits of an integer.Example1: x = 123, return 321Example2: x = -123, return -321click to show spoilers.Note:The input is assumed to be a 32-bit signed intege

The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A H NA P L S I

5. Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000.Example:Input: "babad"Output: "bab"Note: "aba" is also a valid ans

4. Median of Two Sorted ArraysThere are two sorted arrays nums1 and nums2 of size m and n respectively.Find the median of the two sorted arrays. The overall run time complexity should be O(l

今天刷了几道 leetcode 的题目 ，记录一下 人家 的想法 ，帮助自己成长。1. two sum:Given an array of integers, return indices of the two numbers such that they add up to a specific target.You may assume that each input

h.hashCode() ^ h.hashCode() >>> 16h & (length-1) == h % lengthlength = 2^n1. hashCode() --> 31 * c  +  --> hashCode 2. rehashCode --> h.hashCode() ^ h.hashCode() >>> 16

Today I met two issues with split function (1) When splitting string as pipeline , please use :String key = "1|2|3||||";String[] items = key.split("\\|")(2) When spliting string with empty values and

I began to write one sample application via ExtJS5 +SpringMVC+CRUD.Compared to ExtJS4, big difference in ExtJS5 is MVVC. MVC is very traditional design pattern. But MVVC is quite new to me so that I wa

8. String to Integer (atoi)Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself