comparator
Help comparing float member variables using Comparators
I am able to compare Strings fine, but would like to know how I can rank floating point numbers? getChange() returns a String. I want to be able to sort descending. How can I do this?[详细]
2023-01-15 20:27 分类:问答Java implementing comparator on ArrayList
I\'m quite new to Java so this is probably pretty straight forward question. I want to sort an ArrayList in the class MediaLib based on the natural order of a specified key.[详细]
2023-01-15 15:14 分类:问答using comparators as embedded classes, the mother class (initialized in clone ) fields are not visible in the compare method
I have developed a server-to-server protocol called CCMN and different drop policies for the messages cached by each server. The PEERSIM simulator creates a template node with the CCMN protocol and th[详细]
2023-01-15 03:55 分类:问答Using binarySearch with Comparator and regex
I am trying to write a quick search that searches a List<String> Instead of looping through the list and manually checking, I want to do this using binarySearch, but I am not sure how to do it.[详细]
2023-01-11 05:55 分类:问答writing "Comparator" in SQL
I have the following problem: find the highest row in a table A according to the following rules: Table A[详细]
2023-01-11 02:03 分类:问答Search using two keys in an arrayList
I would like to implement a fast search on an ArrayList of objects. These objects consist of an int oldId, int newId and int inList, among with other things.[详细]
2023-01-09 04:09 分类:问答How come generic type parameter says "extends" Comparable not "implements"? [duplicate]
This question already has answers here: Why is "extends T" allowed but not "implements T"?[详细]
2023-01-08 13:04 分类:问答Does a natural comparator exist in the standard api?
I need a comparator as part of a strategy pattern that can either use the natural ordering of the objects or some custom ordering. For the natural ordering case, I wrote a simple comparator:[详细]
2023-01-06 20:38 分类:问答Java: How to workaround the lack of Equatable interface?
As far as I know, things such as SortedMap or SortedSet, use compareTo (rather than equals) on Comparable<?> types for checking equality (contains, containsKey).[详细]
2023-01-04 11:09 分类:问答Direct comparator in Java out of the box
I have a method which needs a Comparator for one of its parameters. I would like to pass a Comparator which does a normal comparison and a reverse comparator which does in reverse.[详细]
2023-01-02 03:52 分类:问答