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Old 05-11-2008, 07:04 PM   #1
av.dubey
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Registered: Nov 2007
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how to run a java program in fedora 8


i have installed fedora 8 -i386 version on my lap..
can neone tell me how to run hello.java program in fedora8

suppose i have made a program

class hello
{
public static void main(String args[])
{
System.out.println("hello world");
}
}


now wat shall i do to run it...
 
Old 05-11-2008, 07:43 PM   #2
jonlake
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1. Compile it
javac hello.java

2. Run it
java hello.class
 
Old 05-11-2008, 07:44 PM   #3
dudeman41465
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Running scripts from the command line is good because if they crash any errors they spit out will be displayed in the terminal for you to read over.

Edited cause' the question was answered above.
 
Old 05-12-2008, 01:22 AM   #4
digvijay.gahlot
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Add public specifier to else your class becomes private.
 
Old 05-23-2008, 05:16 PM   #5
av.dubey
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my program got compiled successfully but when i typed java hello.class
i got the following error..
java hello.class
Exception in thread "main" java.lang.NoClassDefFoundError: hello/class
Caused by: java.lang.ClassNotFoundException: hello.class
at java.net.URLClassLoader$1.run(URLClassLoader.java:221)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:209)
at java.lang.ClassLoader.loadClass(ClassLoader.java:324)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:269)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:337)
Error: Could not find the main class.
Error: A JNI error has occurred, please check your installation and try again


i have installed fedora 8 in my lap..
don i need to install anything from net for running java programs ..or it comes along with fedora 8 dvd...
 
Old 05-24-2008, 01:15 AM   #6
Nylex
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You don't need the ".class" - you just run "java hello".
 
Old 05-28-2008, 04:55 PM   #7
av.dubey
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thaanx a lot man...
it worked..

is there any
hey just like we have netbeans in windows for running java programs ....is there any software in linux too ...where this compiling and running can be done with the help of some shortcuts...
 
Old 05-28-2008, 09:19 PM   #8
vigol
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how to run a java program in fedora 8 Reply to Thread

Hi

1. First of all : The method that Nylex mentioned is practical for other Env(s).
2. Then, about some equivalent Apps/Utils for (Win/Java)->(Linux/Java)|(GNU/Java).
2.1. Build tools : Ant
2.2. Issue trackers : Bugzilla / iTracker
2.3. Continuous integration : Cruise Control
2.4. Version Control : CVS / subversion
2.5. IDE : Eclipse / JDeveloper / NetBeans IDE 6.0 Beta 1
2.6. Office : gnome office / OpenOffice.org
2.7. DB : HSQLDB / MySql / PostgreSQL
2.8. Web Server / J2EE Container : JBossGeronimo / Apache Tomcat
2.9. UML : Jude / Umbrello
2.10. Building : Maven
2.11. Project managment : XPlanner
2.12. and ... : Apache Harmony / Apache Commons Math / Apache POI / Apache Derby / MyFaces Core
Bye

vigol
mehrshad moslehi
www.vigol.com
 
  


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