why?help me! : the import javax.servlet is never used

[li java]

package packagename;
import javax.servlet.*;
import javax.servlet.http.*;
public class hello {
public void test(){
String ls="" ;
ls = "dxf";
System.out.println(ls+": is "+ls);
}
}
then save the class,general error:
the import javax.servlet is never used
the import javax.servlet.http is never used
why?

[eammon bannon]

These won't be errors, but warnings. There is nothing in your code which won't make it compile or run, but you are importing the packages javax.servlet and javax.servlet.http and not using any classes from either package, hence the warning. Just remove the import statements.

[Dirk Schreckmann]

li java,
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