Java archive files (JARs ... To test the JAR, you run the Android app in the emulator included with the development platform. How to Convert a BKF File to an SQZ File. A file with the "BKF ...

to digitally sign JAR files with jarsigner. The jarsigner tool is bundled with every Java JDK install, is found in the JDK’s bin directory, and is likely accessibly directly through a command prompt ...