alphabetical

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Sort List Alphabetically how do i store my inputs in alphabetical order, i am inputting names into an arraylist: persons.add(person); How to do that? 回答1: Try this: java.util.Collections.sort(people); 回答2: implements Comparator< T > interface class A implements Comparator < Person > { @Override public int compare(Person o1, Person o2) { if(o1.getName() != null && o2.getName() != null){ return o1.getName()

问题 Ive been working on a question to find the longest substring in alphabetical order from a given string. I have a lot of experience in C++ but am absolutely new to python. Ive written this code s = raw_input("Enter a sentence:") a=0 #start int b=0 #end integer l=0 #length i=0 for i in range(len(s)-1): j=i if j!=len(s)-1: while s[j]<=s[j+1]: j+=1 if j-i>l: #length of current longest substring is greater than stored substring l=j-i a=i b=j print 'Longest alphabetical string is ',s[i:j] But I

问题 Ok, here is my problem. A teacher has to randomly select a student (from the students she has) to earn a special bonus in the final score and in order to do that she puts N pieces of paper numbered from 1 to N in a bag and randomly select a number K; the award-winning student was the K-th student in the student list. The problem is that the teacher does not know which number corresponds to which student because she lost the paper that contained this information. What she knows: the names of

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I want to sort a string in JAVA alphabetically, as follows Capital letter and lowercase letter followed AaBbCcDdEeFfGg. for example if I put AbaC return me AabC thanks!! 回答1: You can do this using Arrays.sort , if you put the characters into an array first. (It must be an array of Character objects rather than

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Listing all permutations of a string/integer For example, aaa .. aaz .. aba .. abz .. aca .. acz .. azz .. baa .. baz .. bba .. bbz .. zzz Basically, imagine counting binary but instead of going from 0 to 1, it goes from a to z. I have been trying to get this working for a few hours now to no avail and the formula is getting quite complex and I'm not sure if there's a simpler way to do it. Thanks for reading.

问题 I need to sort list of strings in the alphabetical order: List<String> list = new ArrayList(); list.add("development"); list.add("Development"); list.add("aa"); list.add("AA"); list.add("Aa"); A common way to do it is to use comparator: Collections.sort(list, String.CASE_INSENSITIVE_ORDER); The problem of the CaseInsensitiveComparator that “AA” is equals to “aa”. Strings appear in the result according to the order of adding for the same values, and it is not correct: "aa","AA","Aa",

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago . The sequence should go like this. A-Z,AA-AZ,BA-BZ,CA-CZ,.......,ZA-ZZ After ZZ it should start from AAA . Then AAA to ZZZ and then AAAA to ZZZZ and so on. This sequence is pretty much like that of an Excel sheet. Edit: Added my code private void SequenceGenerator() { var numAlpha

问题 This question already has answers here : Sorting a multidimensional array in PHP? [duplicate] (3 answers) Closed 6 years ago . I have an array of arrays formatted like the following: $list = [ ["fdsa","1","fdsa"],["sadf","0","asdf"],["frfrf","0","sadfdsf"] ] How can I alphabetize $list based on the first value of every inner array? Thanks! 回答1: <?php asort($list); // OR array_multisort($list); ?> PHP Manual: asort() and array_multisort() 回答2: I had this function for another answer but it can

问题 I have several large xml files in the following format: <item> <name>Name 1</name> <info>Details 1</info> </item> <item> <name>Name 3</name> <info>Details 3</info> </item> <item> <name>Name 2</name> <info>Details 2</info> </item> Over time of adding to these it has become ugly. I would like to sort them alphabetically by name tag. I have searched here and found a few different python scripts but they did not work for me. Here is one example of what I've tried: import xml.etree.ElementTree as

问题 Are there any situations where it's useful to sort numerical data alphabetically? for e.g. 111 12 2 when sorted in ascending order,give: 111 12 2 回答1: I can't think of any good reasons, and it's just going to confuse in general. 回答2: I finally thought of one. When investigating Benford's Law. Also, when the data isn't really "numerical", it's strings which just happen to consist only of digits, but which need to be lexically sorted along with other strings that might contain non-digits. But I