For example, a method that sets a sensor’s value is passed an invalid number and throws a checked exception instead of an instance of the unchecked java.lang.IllegalArgumentException class.

Unchecked exceptions usually throw only for problems arising in the Java Virtual Machine (VM) environment. As such, programmers should refrain from throwing these, as it is more convenient for the ...

I know we've had many fine threads on exceptions in Java. Hopefully this particular question hasn't been discussed to death. I solved Problem 11 on Project Euler today.