What is random double?

The doubles() method of Random class returns a stream of pseudorandom double values, each conforming between zero and one . The second syntax effectively returns an unlimited stream of pseudorandom double values, each conforming to the given randomNumberOrigin and randomNumberBound.

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What does random number () do?

Random numbers are numbers that occur in a sequence such that two conditions are met: (1) the values are uniformly distributed over a defined interval or set, and (2) it is impossible to predict future values based on past or present ones. Random numbers are important in statistical analysis and probability theory.

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