The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...

Error handling, also called exception handling, is a big part of Java, but it’s also one of the more divisive elements. Exception handling allows a developer to ...

Java 7 adds a new exception class called ReflectiveOperationException. The Javadoc documentation describes this class as a “Common superclass of exceptions thrown by reflective operations in core ...

Q: I am calling an external method in my application and want to intercept any exceptions it can possibly throw. Should I catch java.lang.Exception ? public class ...

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 ...