I've got a problem that I'm stuck on. How do I programmatically get the executing jar file's absolute path?I'm trying to look for a folder that is relative to the jar file's directory but I'm ...

I know there's no practical purpose to this it's entirely theoretical. and I know a jar file uses the zip format. But how does one create a jar file without a manifest file. (I don't mean creating a ...

Java archive files (JARs) let you import pre-coded libraries into your Android applications. JARs save time, because you can use the Java functions without writing your own code for certain processes.

JEP 238: Multi-Release JAR Files extends the JAR file format to allow multiple, Java-release-specific versions of class/resource files to coexist in the same archive. This upgrade makes it easier for ...

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 JAR ...

Oracle says that starting with April 18, 2017, Java (JRE) will treat all JAR files signed with the MD5 algorithm as unsigned, meaning they'll be considered insecure and blocked from running.

Packaging Java web apps as WARs Like JAR, the Web Application ARchive (WAR), the default format for packaging Java web apps, isn't particularly special. When the Servlet and JavaServer Pages ...