.NET Framework 4 introduces a new method on its String class called IsNullOrWhiteSpace that checks whether a provided String is null, empty, or consists only of “white space.” This handy method is in ...

I have a bit of Java code where I need to check if an object is null. If the object is null, set a flag in a boolean primitive for use later, and if not, do something to the object. Is it faster for ...

You have a method which is only worth executing if a specific variable is not null. A single early return at the top of a function is a good idea if you have some base case that you're checking for.

It doesn’t take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

A sneak peek at upcoming C# 11 preview features drew some developer ire, especially on parameter null checking. Microsoft this week posted an Early peek at C# 11 features that detailed preview ...