override « comparator « Java Collection Q&A

1. override abstract method compare()    stackoverflow.com

Hi I'm reasonably new to programming and I am having difficulty with my compare method, I have several classes, my initial issue is with my parent class. I get this error: Person is ...

2. Comparator must override super class method    stackoverflow.com

I'm making a TreeMap<String, String> and want to order it in a descending fashion. I created the following comparator:

Comparator<String> descender = new Comparator<String>() {

    @Override
    ...

3. How to subtract collections with Comparator interface instead of overriding equals    stackoverflow.com

I want to compute differences between collections. When using CollectionUtils.subtract() for custom comparison I need to override the object's equals() method. But what if I need to compare collections of objects ...

4. Overriding the equals() method to allow for hetergenous Objects    stackoverflow.com

Below is selected code from one of 5 classes for this assignment. Each class must have a equals() method that can compare an object of its class to an object of ...

5. i have not override comparator's equals() method(overrided compare())-working fine-how?    coderanch.com

hi, i have written by own sorting for StdNameComparator.I have overrided compare() only.but not equals(). It working fine. I believe that method declared in the interface(Comparator), must be override by the implementing class(StdNameComparator). but StdNameComparator is working successfully, eventhough i have not override the equals() method. Any suggestion? import java.util.*; import Exception.src.*; public class StdNameComparator implements Comparator{ private String sortingOrder = ...