JAD (file format)

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Java application descriptor
File extension: .jad
MIME type: text/vnd.sun.j2me.app-descriptor
Developed by: Java
Type of format: description
Standard(s): Java application

Java Application Descriptor (JAD) files describe the MIDlets (Java ME applications) that are distributed as JAR files.

JAD files take the following format:

MIDlet-1: <Application name>, , <Company>

MIDlet-Jar-Size: <Size in bytes>

MIDlet-Jar-URL: <Associated JAR file>

MIDlet-Name: <Application name>

MIDlet-Vendor: <Company>

MIDlet-Version: 1.0 <Version number>

MicroEdition-Configuration: CLDC-1.1 <CLDC version>

MicroEdition-Profile: MIDP-2.0 <MIDP version>


JAD files are commonly used to package Java applications or games that can be downloaded to mobile phones. Java applications enable Mobile phones to interact programmatically with online web services, such as the ability to send SMS messages via GSM mobile internet such as the above example from Freebie SMS, or interact in multiplayer games.

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