The Java tutorial Java 101: Classes and objects in Java introduces the fundamentals of Java classes and objects, including how to declare classes, describe attributes via fields, describe behaviors ...

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 ...

In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out the same ...

It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements quickly ...

Hello I'm writing a file parser that needs to the results of it parsing into a particular class. In the name of good code re-use in the future I didn't want this particular class name ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Soroosh Khodami discusses why we aren't ready ...

Community driven content discussing all aspects of software development from DevOps to design patterns. They’re deprecating finalize. That’s a pretty drastic move. Finalize is defined right there in ...

In the last year or two, interest in "alternative" languages on top of the Java Virtual Machine has grown exponentially, to the point where three languages were blessed with official acceptance in the ...