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You cannot read and write files from a jar as if they where Files on the filesystem. You can use ClassLoader.getResourceAsStream() to read them, but you won't be able to write to them.

BeautyStar

Group: Members Joined: 16th May, 2007 Topic: 52 Post: 3586 Age: 27

Posted on:22nd Apr 2008, 2:19pm

Welcome Back... Serisouly-Uncle

Buhat din baad app nazar aaye... kahan thee app janab..? Sab khair khariyaat tou hain na...?

Red Chilli

Group: Members Joined: 20th Feb, 2008 Topic: 5 Post: 4962 Age:

Posted on:22nd Apr 2008, 2:23pm

Welcome back seriously uncle

kaha chale gaye the ?

seriously

Group: Members Joined: 12th Dec, 2007 Topic: 24 Post: 313 Age: 57

Posted on:22nd Apr 2008, 2:26pm

Thanks for asking.

Alhumdulillah I am fine. I am too busy. I have been looking at the forum on and off but I have been seeing mostly the repeated questions or things which did not interest me so I did not feel like replying.

Also I do not like the format of the forums and I was hoping there might be some change , but still it is same. I do not know what happened to the promise of the management that they will change in April.

I saw a thread also about it but I do not see anything from the management on that thread.

Red Chilli

Group: Members Joined: 20th Feb, 2008 Topic: 5 Post: 4962 Age:

Posted on:22nd Apr 2008, 2:28pm

Seriosly uncle

April 2009 ka kaha ho ga shaed........

seriously

Group: Members Joined: 12th Dec, 2007 Topic: 24 Post: 313 Age: 57

Posted on:22nd Apr 2008, 2:33pm

April 2008 is not over yet.

So let us see if it happens this year or next year.

May be dair amad durust amad ho ja-a.

Bewaqoof

Group: Members Joined: 19th Sep, 2010 Topic: 263 Post: 4444 Age: 39

Posted on:22nd Apr 2008, 2:37pm

The Java Archive (JAR) File Format

aap ko mashwarah hai keh aap http://java.sun.com ki website per chale jaaye waha aap ko detail mil jaaye ga.

JAR files are packaged with the ZIP file format, so you can use them for "ZIP-like" tasks such as lossless data compression, archiving, decompression, and archive unpacking. These are among the most common uses of JAR files, and you can realize many JAR file benefits using only these basic features.

Even if you want to take advantage of advanced functionality provided by the JAR file format such as electronic signing, you'll first need to become familiar with the fundamental operations.

To perform basic tasks with JAR files, you use the Java Archive Tool provided as part of the Java Development Kit. Because the Java Archive tool is invoked by using the jar command, for convenience we'll call it the "Jar tool".

As a synopsis and preview of some of the topics to be covered in this lesson, the following table summarizes common JAR-file operations:
Operation    Command
To create a JAR file:    jar cf jar-file input-file(s)
To view the contents of a JAR file:    jar tf jar-file
To extract the contents of a JAR file:    jar xf jar-file
To extract specific files from a JAR file:    jar xf jar-file archived-file(s)
To run an application packaged as a JAR file (version 1.1): jre -cp app.jar MainClass

To run an application packaged as a JAR file (version 1.2 -- requires Main-Class
manifest header): java -jar app.jar

To invoke an applet packaged as a JAR file:

<applet code=AppletClassName.class
        archive="JarFileName.jar"
        width=width height=height>
</applet>

Reference Url: http://java.sun.com/developer/Books/javaprogramming/JAR/basics/

Veer

Group: Members Joined: 12th Oct, 2011 Topic: 85 Post: 4723 Age: 31

Posted on:22nd Apr 2008, 3:16pm

jar file

jar file computer pe open nehin ho sakti yeh mobile mein open ho gi lekin os ke liye bhi zaroori hai ke mobile jar file support karta ho.

Seemi

Group: Members Joined: 11th Sep, 2007 Topic: 14 Post: 3817 Age: 28

Posted on:22nd Apr 2008, 7:09pm

Jar Files

Although JAR file format is used to compressed and combine multiple files when they are using by computer softwares written in JAVA. JAR file is a bundle of files like other formats i.e. ZIP, RAR and TAR. Now a days, JAR and JAD files are used in JAVA supported mobile phones, because mobile phones have less memory so files are needed to be compressed and combined in one file, that can be easily read by softwares in mobile phone.

To extract a JAR file, I recommend you to use WinRAR. You can simply extract a JAR file like other RAR or ZIP files.

yeh concept ghalat hai k JAR file computer per open nahin ho sakti or yeh sirf Mobile k liye hai... JAR files to mobile mein JAVA k istamaal se bohat pehlay se (since 1995) se use ho rahi hien.

aamir2020

Group: Members Joined: 05th Nov, 2007 Topic: 50 Post: 369 Age: 30

Posted on:23rd Apr 2008, 7:23am

seemi & veer & seriously thanks

seemi ji mai nay kafi koshish ki hai lakin open nahi ho rahi hai jar file, i used win rar and extract jar fiels with the help of winrar.extract karnay k bad is file ko open kiya phir b nahi horahi hai.

ye game ki file hai jo k mai nay site say load ki hain aur yehi file mai nay mobile mai dali to wo jar files mobile mai open ho rahi hain aur chal b rahi hain

i think k veer bro ki baat sahi hai yeh files pc per open nahi hoti hon gee

aamir2020

Group: Members Joined: 05th Nov, 2007 Topic: 50 Post: 369 Age: 30

Posted on:24th Apr 2008, 10:51am

seemi jee where r u

seemi je mujahy reply karain na ap mujay zaroorat hai ap ki knowledge ke

veer bahi kia seemi ji ki baaaat say ap mutafiq hain ?

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Jar Files: How Can I Open These Files?