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ArrayList的contains方法,底层调用了equals方法。
题目:将自定义对象作为元素存到ArrayList集合中,并去除重复元素比如:存人对象,同姓名,同年龄,视为同一个人,为重复元素。/* 思路 1对人描述,将数据封装进人对象 2定义容器,将人存入 3取出 */ importjava.util.*; classPerson { privateStringname; privateintage; Pers..
分类:其他好文   时间:2014-12-03 10:38:55    阅读次数:135
Hidden Markov Model Toolbox for Matlab
官网:http://www.cs.ubc.ca/~murphyk/Software/HMM/hmm.htmlDownloadClickhere. Unziping creates a directory called HMMall, which contains 4 subdirectories.I...
分类:其他好文   时间:2014-12-02 20:45:56    阅读次数:172
An Easy Problem
描述     In this problem, you are given two integers L and R, and your task is to calculate the sum of all the number's square between L and R(inclusive). 输入The first line contains an integer ...
分类:其他好文   时间:2014-12-02 11:55:51    阅读次数:181
JAVA学习札记
字符串操作:字符串分割:String array[] = str.split("\t");列表操作:定义:List list=new ArrayList();添加元素:list.add("apple");判断是否包含某元素:list.contains("apple")hashmap操作:定义:Has...
分类:编程语言   时间:2014-12-01 18:57:28    阅读次数:212
CSU 1510 Happy Robot
1510: Happy RobotTime Limit:1 SecMemory Limit:128 MBSubmit:19Solved:7DescriptionInputThere will be at most 1000 test cases. Each case contains a comma...
分类:移动开发   时间:2014-11-30 22:46:16    阅读次数:267
Js基本数据类型常用方法扩展
http://blog.csdn.net/xuemoyao/article/details/193667551. Array的contains方法Array没有一个contains方法,在现实的应用场景是,有时候我们需要判断某一个值是否在该数组中,这个时候一个contains方法就显得很有必要,具体...
分类:Web程序   时间:2014-11-28 13:58:40    阅读次数:206
HDOJ_ACM 2054 使用java
Problem DescriptionGive you two numbers A and B, if A is equal to B, you should print "YES", or print "NO".Inputeach test case contains two numbers A ...
分类:编程语言   时间:2014-11-27 20:29:03    阅读次数:224
[Leetcode]Validate Binary Search Tree
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.Th...
分类:其他好文   时间:2014-11-27 16:30:19    阅读次数:226
JSTL函数标签库 fn标签
在使用jstl的函数标签库之前需要在页面中引入:1、fn:contains(string, substring) 如果参数string中包含参数substring,返回true。2、fn:containsIgnoreCase(string, substring) 如果参数string中包含参数sub...
分类:Web程序   时间:2014-11-27 15:55:58    阅读次数:162
Permutation Sequence
The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:其他好文   时间:2014-11-27 14:16:46    阅读次数:156
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