How do you run a JAR file on Windows, Mac or Linux? Double click the JAR? Run the JAR at the command line? Several approaches will work if you have Java or the JDK installed.

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to open a JAR file and extract the contents to the local filesystem: Change ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

Streams All of Java's I/O facilities are based on streams that represent flowing sequences of characters or bytes. Java's I/O streams provide standardized ways to read and write data.

You can use the Java JDOM classes to read the XML data including the element's attribute property. You use these properties to determine the different types of XML nodes you have in your folder.