I have objects which implement Сomparable protocol: So now I can for example sort [SomeClass]. But if I want to compare arrays of such objects? B ...

I took a look at the code in this thread: https://codereview.stackexchange.com/questions/98105/priority-stack-in-java This implements a PriorityStack ...

Good evening, something quirky is going on with Java. I'll be the first to admit that I suck at Java, but I really can't wrap my head around this one ...

While learning from Algorithms (4th edition) (by Robert Sedgewick; Kevin Wayne), I am trying to recreate their codes. They have raw uses of parametriz ...

I'm trying to create a generic comparator for a List<List<Comparable>> which can sort on multiple fields. The structure represents a List ...

Languages such as Python and Java have special methods for sorting custom classes. In JavaScript, toString() can be overridden, but this does not work ...

In Go 1.18 and Go 1.19 I can ensure at compile time that a type is strictly comparable, i.e. it supports == and != operators and those are guaranteed ...

I'm trying to solve a question from PepCoding, Graph Foundation 1, Shortest Path In Weights, and replicating the solution from Java to Python. Questi ...

I have the following Item class: And there's a List of items like shown below: I need to group Item by Type and store into a map. And then I ne ...

I have a problem in my code. I Have abstract class Shape implements Comparable, and Classes like Rectangle etc. I want to sort my List of Shapes. One ...

I would like to have a more specific Comparable interface so that I can type return parameters better. The interface currently looks like this: Now ...

I am trying to make a priority Queue which contains pair of double and integer types but I am getting this error : Here is the relevant code ...

Seems that enum class already has a final compareTo function, which cannnot be overriden. But my requirement is to customize an enum class like this: ...

Does someone have an idea why this code doesn't sort the employees properly? I need them to be sorted in ascending order by the amount of their salary ...

I've got a very simple program: On running it using maven, it prints: And hangs. I don't have any "Comparable" implementation for PriorityBlocki ...

I want to sort the array on the basis of y coordinate: but with mix of positive and negative y values it is giving me wrong(unsorted) order for eg: ...

I'm iterating all Student data using natural sorting method of java 8 sorted(). While iterating student data, get exception in IDE console class com.j ...

I have the follwing Person Class - Person.java - Now, I have the following TreeClass instance - Upon printing - So clearly, the two Person i ...

I have the following "Person" class - Now in main class I have made the TreeClass - Upon printing the output is - All is right except "Nipun" ...

Problem I have a class called public class HeapClass <E extends Comparable <E>> There is a method in there called public void heapSor ...