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9.0

How to randomly scramble an array?

Asked by JavaStud in New to Java Programming, NetBeans IDE, Eclipse

Tags: java

I created a very simple Student class with a GPA field. I the created and initialized an array of students and use the built-in Arrays.sort method to sort by GPA. Now I'd like to use Arrays.sort to randomly scramble the list. By randomly scramble I mean that there are n distinct Student objects stored in a 1d array of size n. After scrambling each will be in a new array position, the chances being equal for each to be in any of the positions. Could you help me with this? I tried but the result didn't seem to be random. Any example would be appreciate it. Thanks.
[+][-]11/05/09 09:55 PM, ID: 25756884Accepted Solution

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Zones: New to Java Programming, NetBeans IDE, Eclipse
Tags: java
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Solution Provided By: ozlevanon
Participating Experts: 4
Solution Grade: A
 
[+][-]11/05/09 09:30 PM, ID: 25756789Expert Comment

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[+][-]11/05/09 09:54 PM, ID: 25756875Expert Comment

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[+][-]11/05/09 11:11 PM, ID: 25757207Expert Comment

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[+][-]11/12/09 09:38 PM, ID: 25811624Expert Comment

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