11. what is reserved words in java?A. run B.
default C. implement D. import Java 中，给标识符取名的时候，不能使用关键字和保留字。在 Java 中常用的关键字有：
1、访问控制符： public、protecte...
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其他好文 时间：
2014-07-22 22:59:16
阅读次数：
262
Given an array of words and a length L, format
the text such that each line has exactly L characters and is fully (left and
right) justified.You shoul...
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其他好文 时间：
2014-05-11 15:15:29
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287
Command Network Time Limit: 1000MSMemory Limit:
131072K Total Submissions: 11970Accepted: 3482 Description After a long lasting
war on words, a war on...
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Web程序 时间：
2014-05-10 05:27:44
阅读次数：
475
Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has a photographic memory and this may not trouble him, Neal gives it to Jiejie.
Since Ji...
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其他好文 时间：
2014-05-10 03:48:22
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352
Given two words word1 and word2, find the
minimum number of steps required to convert word1 to word2. (each operation is
counted as 1 step.)You have t...
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其他好文 时间：
2014-05-09 19:09:35
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318
我们常常用String的split()方法去分割字符串，有两个地方值得注意：1.
当分隔符是句号时(".")，需要转义：由于String.split是基于正则表达式来分割字符串，而句号在正则表达式里表示任意字符。//Wrong://String[]
words = tmp.split(".");//...
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编程语言 时间：
2014-05-08 21:47:41
阅读次数：
444
Problem
Link:http://oj.leetcode.com/problems/word-ladder/Two typical techniques are
inspected in this problem:Hash Table. One hash set is the words di...
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其他好文 时间：
2014-05-05 22:44:44
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393
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without an...
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其他好文 时间：
2014-05-03 21:35:49
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310
Where's Waldorf?
Given a m by n grid
of letters, ( ),
and a list of words, find the location in the grid at which the word can be found. A word matches a straight, uninterrupted line o...
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其他好文 时间：
2014-05-02 10:59:15
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514
一、正则表达式的使用
cd /usr/share/dict
1、找出words文件下所有以a开头t结尾的单词
egrep "^a.*t$" words
2、匹配以abcde开头，以at结尾的单词
egrep "\" words
3、以大写字母开头，以t结尾
egrep "^[[:upper:]]t$" words
二、管道的使用
egrep "^a.*t$" words|wc -...
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系统相关 时间：
2014-04-30 22:32:38
阅读次数：
372
