Core Section Index | Page 2

Java contains a lot of useful utility packages. One is java.util with its lists, maps, and calendar stuff--a lot to look into and use in your applications. Another package, java.io, contains what y...more

Outputting results to System.out is not actually cutting edge technology, so let's consider showing the directory structure in some other formats. In the first one we'll present the output as an HT...more

One of the advantages of using your own exception class is that you can format the data and the trace back like you want it.

One of the things which are saved in our exception class is the exception it has just caught. By doing this we'll get a linked list of exception classes, that can document the calling sequence "top...more