Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.

Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...

Getting NPE while generating codegen in Java. Stack trace attached below. YAML to repro the issue below. Exception in thread "Thread-1" java.lang.NullPointerException ...

Last summer, a Mississippi woman sought an abortion after, she said, a friend had raped her. Her state prohibits most abortions but allows them for rape victims. Yet she could not find a doctor to ...

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

at okhttp3.internal.concurrent.TaskRunner.void runTask(okhttp3.internal.concurrent.Task)(:3) void access$runTask(okhttp3.internal.concurrent.TaskRunner,okhttp3 ...

While Java is one of the most in-demand and widely used programming languages in the world, it is not without its detractors. Java is not a particularly beginner-friendly language and it is rife with ...

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

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 ...