Mathceil Rounds a number upwards to the nearest integer Mathfloor Rounds a number downwards to the nearest integer Mathround Rounds a number to the nearest integer. The method setSeed is implemented by class Random by atomically updating the seed to. To generate random numbers use static double random method of Java Math class.
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Mathrandom uses the random class. Mathceil Rounds a number upwards to the nearest integer Mathfloor Rounds a number downwards to the nearest integer Mathround Rounds a number to the nearest integer. The general contract of setSeed is that it alters the state of this random number generator object so as to be in exactly the same state as if it had just been created with the argument seed as a seed. Use the RandStream class when you need more advanced control over random number generation.