Both Groovy and Java SE 7 provide improvements for file management in Java as I discussed in posts here , here , ... Java extension mechanism loads all JARs. Nov 5, 2014 9 mins. how-to.

The second file’s automatic cleanup is achieved by the more traditional File.deleteOnExit() method that I have previously discussed in the blog post Java’s File.deleteOnExit() in Groovy.

3] Run a Java or JAR file. Now when you double click on the JAR file, it will automatically run like how EXE files execute. If there is a problem with version, the file should inform you.

How to format a Java double with printf?. To format a Java float or double with printf, follow the same steps to format an integer with the following two addendums:. The conversion specifier for a ...

This was done using the Java extension's classpath configuration features. Extension Updates: Ensured the Java extensions (specifically the Red Hat language support extension, part of the pack) were ...

Keep in mind that not every JAR file is runnable. Some JAR files are just support files intended to be used by other Java apps. For a JAR file to run, the JAR itself must contain at least one class ...