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ArrayList sorting by letter and number 12 Years Ago by nixufix …m thinking the following: add every character to an ArrayList and then sort it and output everything as a …after the first word (which it adds to my ArrayList) but then gets stuck at "object exists"…code: [CODE=java] import java.util.Scanner; import java.util.ArrayList; public class Sort { public static void main(String[] args) … Re: Sorting a List of Items 16 Years Ago by a_iyer20 Finally I managed to finely understand what the examples showed and tuned my application to get the arrayList sorting done. Thanks to javaAddict for his guidance. The link below shows how the compare() is used (part of comparator interface) : [url]http://www.onjava.com/pub/a/onjava/2003/03/12/java_comp.html?page=2[/url] Thanks, Ashok. Need Help with ArrayList sorting 19 Years Ago by ggatwork … is working but my problem is with sorting the players. I'm using an ArrayList (ArrayList contains each player's name, number, …sprintf("--------")); System.out.println(); //Collections.sort(team); //ArrayList list2 = new ArrayList(); //for (int j=0; j<team.size(); ++j… Re: ArrayList sorting by letter and number 12 Years Ago by JamesCherrill You only read in 1 word from the user (line 11). That needs to be in some kind of loop somewhere to read in the right number of words - either read them all into an array then process them, or read them one at a time and process each one straight away. Re: Sorting items in a list view 12 Years Ago by codeorder … column is clicked and add items to ArrayList as needed, first item will be the .Sorting item. Case 0 '// FirstName, LastName, … .Sorting = SortOrder.None '// No Sort order. If isDescending Then For Each itm As String In arlSortLvItems '// loop thru items in ArrayList. … Re: Sorting in ArrayList 13 Years Ago by aligajani … the getSal values in the myList. It should be a sorting algorithm implementation so that adding or removing objects does not… salary; } public static void main(String[] args) { ArrayList<payment> myList = new ArrayList<payment>(); payment a = new payment(); payment… Sorting in ArrayList 13 Years Ago by aligajani … the getSal values in the myList. It should be a sorting algorithm implementation so that adding or removing objects does not… salary; } public static void main(String[] args) { ArrayList<payment> myList = new ArrayList<payment>(); payment a = new payment(); payment… Re: Sorting Arrays with integers 11 Years Ago by nate.nelson.566 … can also try this sorting algorithm import java.awt.geom.AffineTransform; import java.util.ArrayList; import java.util.ListIterator…)); } affs = arrangeNumbers(affs); printNumbers(); } public ArrayList<AffineTransform> arrangeNumbers(ArrayList<AffineTransform> list){ while (list.size() &… Sorting 16 Years Ago by volscolts16 …; Merge(ArrayList<Integer> left, ArrayList<Integer> right) { //merge method used to complete sorting merge++; ArrayList<Integer…> result = new ArrayList<Integer>(); //has to be … Sorting 16 Years Ago by azalia …;Integer> Merge(ArrayList<Integer> left, ArrayList<Integer> right) { //merge method used to complete sorting merge++; ArrayList<Integer>…; result = new ArrayList<Integer>(); //has to be greater… Re: Sorting 16 Years Ago by vigneshvh …;,&n); readlist(list,n); printf("The list before sorting is:\n"); printlist(list,n); bsort(list,n); printf…("The list after sorting is:\n"); printlist(list,n); } try it Sorting ArrayList with a comparator, how to 4 Years Ago by Violet_82 … private static List<Employee> employeeCollection = new ArrayList<Employee>(); public static void main(String[] args…Sid", 1)); printEmployees(); //Collections.sort(employeeCollection); // Sorting Collections.sort(employeeCollection, new Comparator<Employee>() {… Re: Sorting problem once again.... 14 Years Ago by VernonDozier … some tutorials. Otherwise, go back to your old idea of ArrayList. Regardless, you can't expect to SORT using a JList… or ArrayList until you actually know how to USE them and access…'t, put the larger program and the sorting issues aside and simply learn how to use JList or ArrayList. First things first. Re: sorting 14 Years Ago by VernonDozier … arrays and it has Collections, one of which is an ArrayList. [url]http://www.j2ee.me/javase/6/docs/api/java…/util/ArrayList.html[/url] Find out for sure whether you are to… that you are to use an array, not an ArrayList. Regardless, ignore all sorting, searching, and deleting for now. Just have an… Sorting problem once again.... 14 Years Ago by Evil_genius82 … cast to assignment2009.studentClass I tried sorting the data by adding it to an arraylist then sorting but i was guided by my… teacher by sorting direct from JList. Any help… Re: Sorting problem once again.... 14 Years Ago by cgeier … of printing to a jList: [code=Java] private void displayData(ArrayList<StudentClass> myArrayList){ String userData = ""; //needed for… Re: ArrayList from something other than primitives 16 Years Ago by tostrinj …of xml nodes to do some intelligent sorting [code] ArrayList _arrMaster = new ArrayList foreach(XmlNode rNode in XmlTable) {… I need a new array list { ArrayList _arrSub = new ArrayList(); _arrSub.Add(rNode); /*add few more… good for you and are possible. Remember ArrayList holds object and everything is an object … Re: Sorting an ArrayList of objects by a variable. 13 Years Ago by VernonDozier … obj2) { if(obj1.b > obj2.b) /* since we're sorting on b */ { return true; } return false; } [/code] If you're… Re: Arraylist and split problem 13 Years Ago by sandeepparekh9 … by the result.) change the code to this: [CODE] ArrayList newArry = new ArrayList(); SortedList SortList =new SortedList(); SortList.Add("1"… requirement .. can u please elaborate it further..?? (is this a sorting algorithm ? if ya then which one?) sorting ArrayList elements 13 Years Ago by hatux … File; } }[/CODE] then i create an ArrayList of them. [CODE] ArrayList<Match> match = new ArrayList<Match>(); [/CODE]] And get… Re: ArrayList<Double> 12 Years Ago by stultuske … is an array of double (primitive) variables, while the arraylist takes the Double-objects (wrapper). so, another difference: you… primitives, but you can't put them in an arraylist, you'll need an actual object for that. but… when you compare them: * sort of element possible * sorting of the elements * the speed of the accessibility of elements… Re: sorting strings into alphabetical order 15 Years Ago by Alex Edwards …QUOTE=lil_panda;642478]How would I sort an array or arrayList of strings into alphabetical order?[/QUOTE] You could do…lt;T extends Comparable<T> > void sortArrayList(ArrayList<T> arg, boolean order) throws Exception{ int…lt;T extends Comparable<T> > boolean isSorted(ArrayList<T> arg){ int count = 0; for(int… Re: Arraylist<method> swap two items 10 Years Ago by anestistsoukalis Try to run my code please. The problem is not in equals method i think. It is in the sorting method where i cannot swap the elements of arraylist. Sorting an ArrayList of objects by a variable. 13 Years Ago by justinwarner Hey, So I have an ArrayList that has some people in it. It's like: First … name, no space... So, then, I need to sort the ArrayList by the complete name... Any ideas on how to go… Re: Sorting problem once again.... 14 Years Ago by kvprajapati If sorting is the only issue them fixed it with java.util.Collections.sort() method. Re: sorting 14 Years Ago by gibson.nathan … StudentTester { public static void main (String [] args) { ArrayList<Student> kids = new ArrayList<Student>(); kids.add(new Student("… Re: sorting 14 Years Ago by VernonDozier …'re supposed to have an array, not an ArrayList in TestStudent. You have an ArrayList in TestStudent2. There's also at least… Re: Sorting a List of Items 16 Years Ago by javaAddict … you must do: Your object that you put inside the ArrayList has to implement the Comparable interface. When you do that… Collections class that is static and takes as argument your ArrayList. Check the API for the classes: java.util….ArrayList , java.util.Collections, java.lang.Comparable If you don't … Re: Sorting a List of Items 16 Years Ago by javaAddict … method, meaning that you can only have one rule for sorting. You cannot dynamically choose based on what you will sort… of Collections will use a specific algorithm for sorting. As you know any sorting algorithm compares the elements it will sort with… Re: sorting strings into alphabetical order 14 Years Ago by gregoryalussier In case someone wants to sort an objects ArrayList using a criteria. In my case, I had User objects, … String. Where you want it to be sorted, supposing your ArrayList is named "users". [code=java] Collections.sort(users…