comparable
implementing Comparable in an interface
I am calling a specific class using only its interface. The problem is, the class itself implements Comparable, but because I am referring to the class via a different interface, the compiler does not[详细]
2023-01-20 03:38 分类：问答What do the return values of Comparable.compareTo mean in Java?
What is开发者_如何学Go the difference between returning 0, returning 1 and returning -1 in compareTo() in Java?Official Definition[详细]
2023-01-17 15:28 分类：问答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 Point2D and Comparable
I\'m making a TreeSet of Point2D.Float type, creating it with a custom Comparable class that implements compare() of Point2D type. However, on calling \"contains\" on the TreeSet, I get a classcast er[详细]
2023-01-15 13:40 分类：问答ordering a hashset example?
I need an example on how to use a comparable class on a 开发者_StackOverflowHashSet to get an ascending order. Let’s say I have a HashSet like this one:[详细]
2023-01-09 13:21 分类：问答Using generics to create max function that returns the larger one
In Java, how would I use generics to create a max function that takes as parameters two Comparable objects of the same type and returns the larger one?[详细]
2023-01-08 22:21 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Java - Make an object collection friendly
If an object holds a unique primary key, what interfaces does it need to implement in order to be collection friendly especially in terms of being efficiently sortable, hashable, etc...?[详细]
2023-01-02 15:13 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
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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