Abstract: With the move from procedural to object oriented programming (OOP), the number of concepts and programming techniques have widened, but the time allotted to teach an introduction to ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Naming conventions are important if you're a Java developer. Naming conventions not only make your Java code easier to read, they make your code self-documenting as well. Fellow developers can tell in ...

Zubyan is a certified PCHP and Google IT Support Professional. The Object reference not set to an instance of an object error is a common Windows issue from Microsoft ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

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. Copying objects ...

Converting Excel or CSV files into Java objects (POJOs) and vice versa can be a complex process, but with the right tools and techniques, it becomes much more manageable. In this guide, we’ll explore ...

In this post, we will show you how to fix Object reference not set to an instance of an object error prompt which you may see in Microsoft Visual Studio. It is a ...