I have a java file named hello.java which is given below:-
package haaa;
class hello
{
public static void main(String [] args)
{
System.out.println("Hello");
}
}
I am using Windows XP. In my system, CLASSPATH is set to "E:\workspace
\pkg\src". Initially, the file is present in the folder "E:\workspace
\pkg\src\". When I tried to compile it, there was no error. But when I
tried to execute the command,
java haaa.hello
then it returned an error like this:-
Exception in thread "main" java.lang.NoClassDefFoundError: haaa/hello
Caused by: java.lang.ClassNotFoundException: haaa.hello
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: haaa.hello. Program will exit.
Could you please help me correct the error.
Also, my system has a Linux OS. In Linux OS, whenever I compile and
execute java programs in Eclipse IDE, then it goes smoothly. But when
I try to compile in terminal using javac command then it tells that
"no such command found". For setting PATH variable in Linux, I need to
know where javac file is located. But I searched everywhere in Linux
using File Search facility. So, why is there a difference between
Eclipse IDE and terminal? I need your help desperately.
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