Ars Technica

Java: ArrayList.contains(Object o) isn't calling the correct equals method

I have a class, say TextHolder, that overrides Object.equals() to return true if both strings in each object are equal - <tt>new TextHolder("Hello World!").equals(new ...
Ars Technica

Java: Object type in a Arraylist?

I've got a Java question:<BR><BR>I'm supposed to implement a selection sort, and supposed to use to code a method:<BR><BR>public static void sort(ArrayList objects ...
TheServerSide

Java array size, length and loop examples

Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...
InfoWorld

Sorting Java objects with Comparable and Comparator

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...