The first example describes an exception class that doesn’t require a detail message. It’s default noargument constructor invokes Exception(), which invokes Throwable().

Thus, making an exception checked forces the programmer to pay heed to the possibility of it being thrown. An example of a checked exception is java.io.IOException.

Aborting."); System.exit(1); } Some other good features of Java exception handling are checked exceptions, user-defined exceptions, and the new Java logging API coming out in JDK 1.4.

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.

For example, if a developer tries to access a file, the Java IO library forces them to deal with the checked FileNotFoundException. The developers of the Java IO API anticipated that attempting to ...