range - Java Not greater than certain value -



range - Java Not greater than certain value -

i have simple question. in java, know remainder of (y%x) can't greater x itself. thus, hypothetically set numbers less value of x, 100. yet opposite of this? if wanted set numbers above value, 20, have range [20,100]?

i thinking subtract 20 both sides have range [0,80], , take modulus of 80, , add together 20 it.

am right in believing this?

thanks.

the random class includes nextint(int) (per javadoc) returns pseudorandom, uniformly distributed int value between 0 (inclusive) , specified value (exclusive), drawn random number generator's sequence. so, 0-80 is

random rand = new random(); int v = rand.nextint(81);

if want in ragne 20-100 be

int v = rand.nextint(81) + 20;

java range modulus

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