Now, let’s see a function that calls this move function. package org.qoolloop.sample.exceptionhandling; import java.io.File; import org.qoolloop.exception.UnrecoveredException; import org.qoolloop.logging.Logger; public class […]

In the Logic layer, the file move function we saw previously could be written in the following way [i]. package […]

The lowest layer is the Library layer. This is the layer for third-party libraries and the language’s standard library. Since […]

The stack trace in an exception is very useful information for debugging. It has the location of where the error […]

Now, if you agree that error messages should be generated by the caller, you should agree that getMessage() and getLocalizedMessage() […]

Many implementations use exceptions to propagate errors up until the user interface (UI). Here, it would be best if: the […]

The way we log information provides a good hint for the way we can handle exceptions. Although there are many […]

So, tons of exceptions have been declared without need for real polymorphism. Why? It’s because, something similar to polymorphism is […]

This problem actually shows one difficulty in designing for object-oriented programming. For us “intelligent” human beings, it seems just so […]

Now, because we’re talking about an object-oriented language, the inheritance of classes is respected for the “catch” clause.If ArithmeticException is […]