Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...

Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof(). Although Java lacks a true sizeof() equivalent, the Instrumentation interface ...

A class like Person.java is often a data class that will need to be used in comparisons and possibly hashCode-based collection keys. It is important to create equals (Object) and hashCode () ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

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OK folks,<BR><BR>I've been scouring the Web looking for info on optimising the memory usage of Java and have come up with a few items of interest.<BR><BR>Can anyone shed any further light on a the ...

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

All of Java's I/O facilities are based on streams that represent flowing sequences of characters or bytes. Java's I/O streams provide standardized ways to read and write data. Any object representing ...

Java was created over 25 years ago, and it is still one of the most popular programming languages. In this article, I will present an overview of how Java has grown to today's complex system and why ...