A second option would be to just have a item count variable which increments every time an object is added to an array. Then if the count is > 10 give appropriate responce.

At this point I am probably as confused as you. =(

Do you think it makes a difference if the applet is run on your pc or on a web server? The getCodeBase() method may give an error from the folder...

The error is being thrown at line 26 of readFileApplet.java by the method getCodeBase().
I don't know for sure why. I haven't used URL or getCodeBase() before. Sun's documentation states that it get...

You are probably getting this error because you are trying to do an action on an object that is 'null'. I would add an if statement saying

if (myObjects == null){
System.out.println("this was...

I would try


import java.lang.Math;

public class CalcDrive {

public static void main(String[] arguments) {

CalcTest one = new CalcTest();