[JavaLang]

iam not able to run a simple java program also,(hello world prog),previously i made many prograns and got the result,but suddenly it is giving this exception,

import java.lang.*;
class Test
{
public static void main(String aa[])
{
System.out.println("Testing Success");
}
}

and for environment variable settings:

path :
.;C:\Program Files\Java\jdk1.5.0_02\bin;

classpath :
.;C:\Program Files\Java\jdk1.5.0_02\jre\lib\rt.jar;C:\Program Files\Apache Software Foundation\Tomcat 5.0\common\lib\servlet-api.jar;


and my servlet programs are running well ,i only cant run core java applications.

plzz help me out.i tried many ways but in vain.
waitng for ur replies,Thank u.