java網路---再論URL & URI,java再論url關於URL 和URI的關係,在本系列的第二篇:java網路---基本web概念 中已經簡述了。這裡重複一點,就是URI包含URL,或者說URI是父類,URL就是子類的概念。本篇再來詳述這2個概念。一:URLjava/net/URL.javapublic final class URL implements Serializable { private static final long
LeetCode,leetcodeoj題目:Reverse a linked list from position m to n. Do it in-place and in one-pass. For example:Given 1->2->3->4->5->NULL, m = 2 and n = 4,return 1->4->3->2->5->NULL.Note:Given m, n satisfy the following
LeetCode,leetcodeoj題目:Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,3,2].Note: Recursive solution is trivial, could you do it
LeetCode,leetcodeoj題目:Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135",return ["255.255.11.135", "255.255.111.35"]. (Order does not
LeetCode,leetcodeoj題目:Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.Below is one possible representation of s1 = "great": great / \ gr eat / \ / \g r e at
LeeCode,leetcodeoj題目:Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example,Given n = 3, there are a total of 5 unique BST's. 1 3 3 2 1 \ / / / \ \ 3
LeetCode,leetcodeoj題目:Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.You should preserve the original relative order of the nodes in each of the two partitions. For
LeetCode,leetcodeoj題目:A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message containing digits, determine the total number of ways to decode it. For