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 ...

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.

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, ...

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 ...

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, ...

Everyone who codes Java EE web applications needs to pay attention to exception handling. When a program encounters an error, developers can display friendly messages for end users, which ...