An example of how Strings in Java are actually objects...its called Stringthing.
Here is an illustration of object swapping and garbage collection as it applies
to the popular children's book "The Cat in the Hat". In this example we
create a class called Thingmaker that is the template
for making things. Thingdriver creates 2 things (thing1
and thing2 of course). The things get swapped and finally one is killed. If you are
a parent and you have read this book to your child don't let them see this code as
it might be disturbing.
Math in Java
Here is an example of how to do some simple math in Java called Javamath.java..