"The program suddenly crashed... the cause was a NullPointerException.""Is error handling just about writing try-catch blocks ...

AI agents often know enough Java to reach for Optional, but not enough to use it well. They write code that looks modern at first glance, then leaves you with isPresent() plus get(), orElse(null), ...

Optional is a container class introduced in Java 8 to handle the absence of values explicitly. Instead of using null to represent "no value", Optional provides a type-safe way to express that a value ...

In system development using Java, a runtime error that troubles many developers is the 'NullPointerException'. It occurs when you attempt to call a process on a ...