Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

Java contains a built-in construct to handle a class of common code-related runtime errors, called the RuntimeException, or the unchecked exception. Java 17 defines 78 such errors in the SDK alone, ...

checked exceptions; runtime exceptions; system level errors; and try, catch, finally blocks. Think you've got a solid grasp on how to develop effective, error-proof Java code? Take this tough, ...

Matthew’s diverse background encompasses full-stack development (Java, JVM languages such as Kotlin, JavaScript, Python, .NET), front-end development (Angular, React, Vue, Svelte) and back-end ...

In Java, exceptions are one of many structures that govern the control flow of a program. Specifically, they are unintended side effects of a program's normal execution.

Java classifies exceptions into a few types: checked exceptions, unchecked exceptions, and errors, which must be handled by the JVM. I’ll have more below about how the Java virtual machine ...

The code in Listing 2 consists of various try/catch/finally blocks nested within one another. You can place try/catch/finally, try/catch, or try/finally blocks anywhere in your Java code. In addition, ...