Learn how a Java JAR file (Java Archive) allows you to package compiled code and other resources in a single file that is easily deployed and executed resources.

Here’s some links to OpenJDK downloads for various platforms, in case you don’t already have one. Windows, Linux, Solaris: Download the JDK directly from Sun’s Java SE Downloads page.

But these aforementioned Java command-line tools -- namely, javac, javap, jstat, jdeps and jar -- are the five that serious software developers need to know.

Starting in April, Oracle will treat JAR files signed with the MD5 hashing algorithm as if they were unsigned, which means modern releases of the Java Runtime Environment (JRE) will block those ...

A new Java JAR inspection and insights tool, called Jarviz, helps developers find different bytecode versions in a JAR, querying it for attributes, services, and more. Sonatype statistics show ...