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10 shuffling question

pt wee
Greenhorn

Joined: Jan 01, 2004
Posts: 1
I am new to java, can anyone help me out?
I use random method, sometime same question appear on the applet.
Try using shuffling method but don't know how to do.

(Marilyn added code tags)
[ January 01, 2004: Message edited by: Marilyn de Queiroz ]
Barry Gaunt
Ranch Hand

Joined: Aug 03, 2002
Posts: 7729
If your problem boils down to permuting a list of strings then I suggest that you take a look at java.util.Collections. There is a shuffle method that does just that. You will also find java.util.Arrays useful to get yourself a List to shuffle.
[ January 02, 2004: Message edited by: Barry Gaunt ]

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Marilyn de Queiroz
Sheriff

Joined: Jul 22, 2000
Posts: 9053
    
  12
Originally posted by pt wee:
I use random method, sometime same question appear on the applet.
Try using shuffling method but don't know how to do.


Random will be random, sometimes the same question will appear more than once. You may need to "delete" those questions after they are "used" to prevent them from reappearing, or flag them as "used".


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subject: 10 shuffling question