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random number generation  RSS feed

 
Greenhorn
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how to generate random numbers without repetition of numbers from a range in java
 
Greenhorn
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I don't think you can stop the JVM from randomly generating the next value different from the previous ones........because JVM doesn't store which values it has already generated in a range.......

Though you can control it, & put the random values in a Set..this way you can ensure that values are not duplicated........
 
Wanderer
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You could create a List of all the numbers in the range, then call Collections.shuffle() on it. Now you have a list of numbers in random order with no repetitions.
 
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