Java: Random with a random seed

new Random() initializes with a random seed.

new Random(long seed) initializes using the given seed.

Example:

// Different each time
new Random().nextInt()       // == 1224474278
new Random().nextInt()       // == 518936335
new Random().nextInt()       // == -1613359952

// Same each time
new Random(5555).nextInt()   // == 168436389
new Random(5555).nextInt()   // == 168436389
new Random(5555).nextInt()   // == 168436389

See also

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