Random boolean with weight or bias

Question

I need to generate some random booleans. However I need to be able to specify the probability of returning true. As a results doing:

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Answer 1

The MockNeat library implements this feature.

Example for generating a boolean value that has 99.99% of being true:

MockNeat m = MockNeat.threadLocal();
boolean almostAlwaysTrue = m.bools().probability(99.99).val();