If you have a Web or other computer-based small business, you might find that you need to do some Java programming. Java is a cross-platform programming language from Oracle that anyone can use.

With a few additions to the Java code ... This example represents a JPEG file saved with "mypic" as its name, stored in the Pictures directory on the user's SD card. Create a Bitmap object.

signed@jar /c/ jarsigner / example / target $ keytool -export -alias server ... assuming you have Java installed, are: Create a JAR file with Java’s JAR utility Create public and private keys with ...

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 zip file and renaming it jar. That'd be cheating). As would creating ...