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you r missing one line like this

token = new StringTokenizer(line);

When you are running java in C:\Java,

you have to make sure that your HelloWorldApp.java must in the path like this
C:\Java\HelloWorldApp.java ( if the package of HelloWorldApp.java is null)...

Is that "apache web server" or "apache tom cat"? for running JSP , it must to be "apache tom cat".

please post your code here.

You call those 2 static methods directly from another class like this



try{
classname.write(s);
classname.writes(s,s);
}catch(IOException e){
//here is how your handle the...

Is that String music is a path to a music file in local?

because that you are using "this.getClass().getClassLoader().getResourceAsStream(music)", the music file must be in the local folder where...

You need to reset your "add" to 0 for each loop, try this:

import java.util.*;

public class Chapter5Ex1
{
static Scanner console = new Scanner(System.in);

public static void...

it maybe a problem how your action class handle the exception.

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