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Old 06-17-2010, 02:57 AM   #1
werocks
LQ Newbie
 
Registered: Feb 2009
Posts: 5

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Unhappy cannot compile java program in SUSE 11.1 using javac


Hi
I'm very new to java programming..i just grabed a book and wrote a program and tried to compile it using 'javac' and everytime i'm getting this error:


javac Example.java
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../lib64/crt1.o: In function `_start':
/usr/src/packages/BUILD/glibc-2.9/csu/../sysdeps/x86_64/elf/start.S:109: undefined reference to `main'
collect2: ld returned 1 exit status


my program is very simple

class Example
{
public static void main(String args[])
{
System.out.println("This is My First JAVA Program");
}
}

plz help me..what do i need to install?
I cheked internet and found my java version in 1.6.0_0
plz help me
thanks in advance
 
Old 06-17-2010, 02:59 AM   #2
subho.d
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Registered: Jun 2010
Location: INDIA
Distribution: All Linux & Unix
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install jdk
 
Old 06-17-2010, 03:11 AM   #3
werocks
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Registered: Feb 2009
Posts: 5

Original Poster
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thanks..but can you plz tell me how to install jdk and from where and which version(if there is any)??
 
Old 06-17-2010, 03:50 AM   #4
knudfl
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Registered: Jan 2008
Location: Copenhagen, DK
Distribution: pclos2016, Slack14.1 Deb Jessie, + 50+ other Linux OS, for test only.
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You should be able to find java-1_6_0-sun in the package manager
( Yast2 ) or with the command # zypper se java.

Then choose the jdk , 64 Bits version for install, and it will be updated.

Also please check this ( also as root (su)) :
update-alternatives --config java
...... And then choose the sun java, if not already set.

Version check = the command : java -version
.. to be sure, you are not using the "openjdk" or the gcc-java.
>> The genuine sun java jdk is the most reliable.
.

Last edited by knudfl; 06-17-2010 at 06:50 AM.
 
  


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