Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Folks,<P>Being a Perl hacker, I'm having a bit of a hard time figuring out how to do some things in Java...<P>In Perl, I constantly use hashes of hashes to store lots of data in memory, in key-value ...

Modern operating systems can support extraordinarily large volumes of users, but run into limitations with threads to support them due to CPU and memory constraints. Java historically has dealt with ...

A callback operation in Java is one function that is passed to another function and executed after some action is completed. A callback can be executed either synchronously or asynchronously. In the ...