Question

java中int[]x=new int[rand .nextlnt(12)]这个12是什么意思

Answer 1

12是生成整数的最大值，范围是大于0小于等于12

Answer 2

Random.newInt(int n);

Parameters:
n the bound on the random number to be returned. Must be positive.

n表示返回的随机数范围边界。必须是明确的。

Returns:

the next pseudorandom, uniformly distributed int value between 0 (inclusive) and n (exclusive) from this random number generator's sequence