big java solutions

Java defunct causes and solutions: In many cases, if we exit the Java Process after starting the Java Process, we can still see this process in the system process.This situation usually occurs in Unix/Linux systems, but rarely on win platforms. On UNIX platforms, even if you can't kill the process number, it still occ

Solutions to java chaos in suse10.1xgl-Linux general technology-Linux programming and kernel information. For details, see below. The java program interface on xgl is messy. According to my test analysis, it is probably caused by the jvm conflict between xgl and gjc, I used to install yongzhong office2007beta before configuring the

Recently, the company is using a Java SSH client (JTA http://javassh.org/space/start) as a Web page remote telnet/ssh Machine Client, but when using the JTA provided applet, always cannot Telnet/ssh, however, after downloading the source code package, you can directly use the test page in the source code package to access it. Later, I checked the information, after reading the JTA log, we found that the JTA applet uses Socket to connect to a remote ma

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Reverse digits of an integer.EXAMPLE1:X = 123, return 321example2:x = -123, return-321Click to show spoilers.Has a thought about this?Here is some good questions to ask before coding. Bonus points for if you have already thought through this!If the last digit are 0, what should the output being? ie, cases such as 10, 100.Did you notice that the reversed integer might overflow? Assume the input is a 32-bit integer and then the reverse of 1000000003 overflows. How should handle such cases?For the

Given an array S of n integers, find three integers in S such so the sum is closest to a give n number, target. Return the sum of the three integers. You may assume this each input would has exactly one solution. For example, given array S = {-1 2 1-4}, and target = 1. The sum is closest to the target is 2. (-1 + 2 + 1 = 2).Subscribe to see which companies asked this question1 Public classSolution {2 Public intThreesumclosest (int[] Nums,inttarget) {3 intAns = 0,min =Integer.

Given a m x n Matrix, if an element was 0, set its entire row and column to 0. Do it on place.Click to show follow up.Follow up:Did you use extra space?A straight forward solution using O (mn) space is probably a bad idea.A Simple Improvement uses O (m + n) space, but still is not the best solution.Could you devise a constant space solution?Subscribe to see which companies asked this question1 Public classSolution {2 Public voidSetzeroes (int[] matrix) {3 if(Matrix = =NULL|| Matrix

Given a 2d grid map ‘1‘ of S (land) ‘0‘ and S (water), count the number of islands. An island is surrounded by water and are formed by connecting adjacent lands horizontally or vertically. Assume all four edges of the grid is all surrounded by water.Example 1:11110110101100000000Answer:1Example 2:11000110000010000011Answer:3Credits:Special thanks to @mithmatt for adding this problem and creating all test cases.1 Public classSolution {2 Public intNumislands (Char[] grid) {3 if(Grid

Given a triangle, find the minimum path sum from top to bottom. Each step of the move to adjacent numbers on the row below.For example, given the following triangle[ 2], [3, 4], [6,5, 7], [4,1, 8,3]]The minimum path sum from top to bottom 11 is (i.e., 2 + 3 + 5 + 1 = 11).Note:Bonus Point If you be able to does this using only O(n) extra space, where n is the total Number of rows in the triangle.Starting with a top-down approach to finding the minimum value, the boundary handling is a b

Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells is those horizontally or V Ertically neighboring. The same letter cell is used more than once.For example,Given board =[ [' A ', ' B ', ' C ', ' e '], [' s ', ' F ', ' C ', ' s '], [' A ', ' D ', ' e ', ' e ']]Word = "ABCCED" , returns true ,Word = "SEE" , returns true ,Word = "ABCB" , returns false .Subscribe to see which companies as

Find the kth largest element in an unsorted array. Note that it was the kth largest element in the sorted order and not the kth distinct element.For example,Given [3,2,1,5,6,4] and k = 2, return 5.Note:You may assume k are always valid, 1≤k≤array ' s length.Credits:Special thanks to @mithmatt for adding this problem and creating all test cases.1 Public class Solution {2 Public int findkthlargest (intint k) {3 arrays.sort (nums); 4 return nums[nums.length-K]; 5 }6 }Solut

,NULL); the S.add (root); - while(!parent.containskey (P) | |!Parent.containskey (q)) { -TreeNode n =S.pop (); - if(N.left! =NULL){ + Parent.put (n.left,n); - S.add (n.left); + } A if(N.right! =NULL){ at Parent.put (n.right,n); - S.add (n.right); - } - } -SetNewHashset(); - while(p!=NULL){ in Set.add (p); -p =Parent.get (p); to } + while(!set.contains (q)) Q =Parent.get (q); - returnQ; the } *}

Given a range [M, n] where 0 For example, given the range [5, 7], and you should return 4.Credits:Special thanks to @amrsaqr for adding this problem and creating all test cases.Subscribe to see which companies asked this question1 Public classSolution {2 Public intRangebitwiseand (intMintN) {3 inti = 0;4 while(M! =N) {5M >>= 1;6N >>= 1;7i++;8 }9 return(M i);Ten } One}201. Bitwise and of Numbers Range Java

Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C Where the candidate numbers sums to T.The same repeated number is chosen from C unlimited number of times.Note: All numbers (including target) would be positive integers. The solution set must not contain duplicate combinations. For example, given candidate set and [2, 3, 6, 7] target 7 ,A Solution set is:[ 7], [2, 2, 3]]1 Public classSolution {2 PubliclistNewArraylist();3

Given an array of n integers where n > 1, nums and return an array output such that's equal to output[i] th E product of all the elements of nums except nums[i] .Solve it without division and in O (n).For example, given [1,2,3,4] , return [24,12,8,6] .Follow up:Could solve it with constant space complexity? (note:the output array does not count as extra space for the purpose of space complexity analysis.)Subscribe to see which companies asked this question1 Public classSolution {2 Public i

Given an array of integers, return indices of the both numbers such that they add-to a specific target.You may assume this each input would has exactly one solution.Example:Given nums = [2, 7, one, 2], target = 9,because nums[0] + nums[1] = + 7 = 9,return [0, 1].UPDATE (2016/2/13):The return format had been changed to zero-based indices. Please read the above updated description carefully.Subscribe to see which companies asked this question1PublicclassSolution {2 Public int[] Twosum (int[] nums,

(System.currenttimemillis ())); Topic.settopiccontent (stringescapeutils.escapehtml (Topic.gettopiccontent ())); Topic.settopictitle (stringescapeutils.escapehtml (Topic.gettopictitle ())); This. Bbstopicservice.save (topic); return NewModelandview (NewRedirectview ("bbs.do?method=topiclistbfid=" +Topic.getbfid ())); } 8.Java Web container default configuration vulnerability. such as Tomcat background Management vulnerability, the default

Write a function that takes a string as input and reverse only the vowels of a string.Example 1:Given s = "Hello", Return "Holle".Example 2:Given s = "Leetcode", Return "Leotcede".Subscribe to see which companies asked this question1 Public classSolution {2 Publicstring Reversevowels (string s) {3 if(NULL= = s)returns;4 Char[] tmp =S.tochararray ();5stackNewStack();6 for(inti = 0; i){7 if(Isvowels (Tmp[i])) {8 Stack.push (Tmp[i]);9 }Ten

Given a sorted array, remove the duplicates in place such, all element appear only once and return the new L Ength.Do the allocate extra space for another array, and you must does this on place with constant memory.For example,Given input array nums = [1,1,2] ,Your function should return length = 2 , with the first of the elements of nums being and 1 2 Respectivel Y. It doesn ' t matter what are you leave beyond the new length.Subscribe to see which companies asked this question1 Public classSo

Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along, the shortest path from the root node to the nearest leaf node.Subscribe to see which companies asked this questionShow tagsshow Similar Problems1 /**2 * Definition for a binary tree node.3 * public class TreeNode {4 * int val;5 * TreeNode left;6 * TreeNode right;7 * TreeNode (int x) {val = x;}8 * }9 */Ten Public classSolution { One Public intmindepth (TreeNode root) { A if(Root = =NULL)ret