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

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 ...

This is the code repository for Java: Object-Oriented Programming Concepts [Integrated Course], published by Packt. It contains all the supporting project files necessary to work through the video ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java. Many programming languages allow passing ...

The newly released OpenJDK 27 primarily targets stability, security, and performance improvements.

Multi-layered applications often require to map between different object models (e.g. DTOs and entities). Writing such boiler plate mapping code is a tedious and error-prone task. A lot of ...

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...

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