zhang_xzhi_xjtu
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飞天奔月：
public List<String> gener ...
实践中的重构30_不做油漆匠 -
在世界的中心呼喚愛：
在世界的中心呼喚愛 写道public class A {
...
深入理解ReferenceQueue GC finalize Reference -
在世界的中心呼喚愛：
在世界的中心呼喚愛 写道在世界的中心呼喚愛 写道在classB ...
深入理解ReferenceQueue GC finalize Reference -
在世界的中心呼喚愛：
在世界的中心呼喚愛 写道在classB的finalize上打断 ...
深入理解ReferenceQueue GC finalize Reference -
在世界的中心呼喚愛：
iteye比较少上，如果可以的话，可以发e-mail交流：ch ...
深入理解ReferenceQueue GC finalize Reference
文章列表
public class Solution {
public int singleNumber(int[] A) {
int[] tem = new int[32];
for (int a : A) {
int x = 1;
for (int t = 0; t < 32; t++) {
if (((x << t) & a) != 0) {
tem[t ...
public int[] searchRange(int[] A, int target) {
if (A == null || A.length == 0) {
return new int[] { -1, -1 };
}
int start = start(A, target);
if (start == -1) {
return new int[] { -1, -1 };
}
...
package leetcode;
/**
* <pre>
* Implement int sqrt(int x).
*
* Compute and return the square root of x.
* </pre>
* */
public class SqrtX {
public static class Solution {
public int sqrt(int x) {
long start = 0;
long end = (long) Integer.MAX_VAL ...
package leetcode;
/**
*
* <pre>
* Given a binary tree, find its minimum depth.
*
* The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node.
* </pre>
*
*/
public class MinimumDepthofBinaryTree {
public class TreeNod ...
package t;
/**
* <pre>
* Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).
*
* For example, this binary tree is symmetric:
*
* 1
* / \
* 2 2
* / \ / \
* 3 4 4 3
* But the following is not:
* 1
* / \
* 2 2
* ...
package t;
import java.util.ArrayList;
import java.util.List;
/**
* <pre>
* Given a binary tree, determine if it is a valid binary search tree (BST).
*
* Assume a BST is defined as follows:
*
* The left subtree of a node contains only nodes with keys less than the node's key.
* The r ...
package leetcode;
import java.util.Stack;
/**
* <pre>
* Given an input string, reverse the string word by word.
*
* For example,
* Given s = "the sky is blue",
* return "blue is sky the".
* </pre>
*/
public class ReverseWordsinaString {
public class Sol ...
/**
* <pre>
* There are N gas stations along a circular route, where the amount of gas at station i is gas[i].
*
* You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from station i to its next station (i+1). You begin the journey with an empty tank at one of th ...
package leetcode;
/**
* <pre>
* Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
*
* For example:
* Given the below binary tree and sum = 22,
* 5
* / \
* ...
package leetcode;
/**
* <pre>
* Implement pow(x, n).
* </pre>
*/
public class PowXN {
public static class Solution2 {
public double pow(double x, int n) {
if (n < 0) {
n = -n;
x = 1 / x;
}
double resu ...
package leetcode;
import leetcode.tag.NeedStudyMore;
@NeedStudyMore
/**
* <pre>
* Given a binary tree
*
* struct TreeLinkNode {
* TreeLinkNode *left;
* TreeLinkNode *right;
* TreeLinkNode *next;
* }
* Populate each next pointer to point to its next right node.
* If there is ...
package leetcode;
/**
* <pre>
* Given a sorted linked list, delete all duplicates such that each element appear only once.
*
* For example,
* Given 1->1->2, return 1->2.
* Given 1->1->2->3->3, return 1->2->3.
* </pre>
*/
public class RemoveDuplicatesfr ...
package leetcode;
import java.util.Stack;
/**
* <pre>
* Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
*
* The brackets must close in the correct order, "()" and "()[]{}" are all valid but "( ...
simplehbase介绍文章如下：
https://github.com/zhang-xzhi/simplehbase/wiki/C00-simplehbase-3%E5%88%86%E9%92%9F%E7%AE%80%E4%BB%8B
github
https://github.com/zhang-xzhi/simplehbase/
https://github.com/zhang-xzhi/simplehbase/wiki
Data Object需要被simpleHbase识别，目前有3种方式来配置JOPO方式。
simplehbase在v0.9（包含v0.9）之前对于POJO的 ...
package leetcode;
/**
* <pre>
* Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
*
* Note: You can only move either down or right at any point in time.
* </pre>
* */
public class M ...