Log and rethrow exception example In layered applications, option number two is particularly common, as there is typically a single layer at the top of the execution stack that is designed ...

This divergence is known as an exception. For example, a program tries to open a file to read its contents, but the file doesn’t exist; that’s an exception.

Modern use of unchecked exceptions The technical description of checked vs. unchecked exceptions provided in this article are in line with the manner in which the creators of the Java language ...

A good example would be the FileNotFoundException. This does exactly what it says on the tin: this exception is “thrown” when Java looks for a particular file and can’t find it.

Java developers learn to rely on their compilers to catch assignments to incorrect types, calls of nonexistent methods and—this article's topic—incorrect exception handling.