What does the "for( Value A : Value B )" mean?

What does the "for( Value A : Value B )" mean?
eg. the following, what does the 'for' sentence with colon ':' mean?
for (Exercises w : previousValues) {
          }

Check out:
http://java.sun.com/j2se/1.5.0/docs/guide/language/foreach.html
Or better, hit the "enhanced for-loop" section here:
http://www.javaworld.com/javaworld/jw-04-2004/jw-0426-tiger1.html
Message was edited by:
tsith

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