Creating JAR file in java from command prompt is always been little tricky for many of us even if IDE like Netbeans and Eclipse provide support to export java program as JAR file simply because we don’t create jar often and not familiar with manifest file or jar command as whole. JAR file in Java is a kind of zip file which holds all contents of a Java application including Class files, resources such as images, sound files and optional Manifest file. JAR stands for Java Archive and provides a platform independent deliverable for java programs, libraries and framework. you can execute same jar file in any operating system e.g. Windows 7, windows 8, Macintosh or Linux. Apart from platform independence and standard delivery method jar file also provides compression of contents which results in faster download if you are downloading java program from internet specially in case of mobile devices where you install Java program by OTA. In this article we will some JAR command examples and learn how to create and execute jar file, how to view contents of jar file from command prompt and Eclipse and Netbeans.
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Jumat, 02 Maret 2012
core java
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