What is a JAR file?

February 18th, 2008 by uCertify Leave a reply »

JAR stands for Java Archive. A file in JAR format contains the following mandatory attributes:

  • MIDlet-Name: It specifies the name of the MIDlet suite packaged in the JAR file.
  • MIDlet-Version: It specifies the version number of the MIDlet suite packaged in the JAR file.
  • MIDlet-Vendor: It specifies the producer of the MIDlet suite.
  • MIDlet-n: It specifies three things, namely MIDlet name, MIDlet image, and MIDlet class name.
  • Microedition-Profile: It specifies the name and version of the J2ME profile.
  • Microedition-Configuration: It specifies the name and version of the J2ME configuration.
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