The good news is that JDK 7 introduces a whole new file management API that is intended for Java, but of course significantly and consequentially enhances Groovy’s file system handling capabilities.

In this example, we will compare the built-in, multipart form handling capabilities of the standard Jakarta Servlet API with the facilities provided through the Apache Commons FileUpload library.

To solve these problems, Java embraced a new approach to exception handling. In Java, we combine objects that describe exceptions with a mechanism based on throwing and catching these objects.

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

As would creating the jar file and deleting the manifest file. I'm looking for a jar command line - what switches, options, what parameters - would create a jar file without a manifest file.