The 30th anniversary of Java, being celebrated this year, offers a perfect opportunity to reflect on the remarkable changes ...

The use of collections for grouping objects is very common in object oriented applications, and even small-scale programs developed by undergraduate students. One of the most popular collections is ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java that simplify that process. Finding duplicates in a Java list? That’s actually a bit more complicated, but ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

Describe the bug When I try to run an application that uses this library on Java 17 I get exceptions over the fact that in a lot of places this library uses .setAccessible(true); You'll see excepti ...

What Is Collection Framework? Java collection framework provides you with the complete architecture of objects. Java frameworks group of objects includes – classes, interfaces, and algorithm.