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 ...

When you start studying Java,"I understood if statements and for loops. But suddenly, I stopped understanding once classes ...

In a recent project, I needed an easy way to traverse Java object trees and extract values from the objects. Instead of continually going through huge iterator-if-else setups, I wanted a tool that ...

Java developers have spent decades working with a basic assumption about objects: every object has its own identity. Now, OpenJDK developers are preparing to loosen that rule with JDK 28. That may ...

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. Primitive arrays don't have a full object overhead but I have been ...

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 ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Can you explain object-oriented programming to me like I'm 5 years old? Probably not. But here's a straightforward explanation of what OOP is ... Use Spring MVC MultipartFile, Java Path APIs and the ...