Java生成随机数

随机数类型：整数

随机数范围：low~high

生成方法：Math.random

public class Random {
    public int [] RandomGen(int n, int low, int high)
    {
        int[]r = new int[n];
        int diff=high-low;
        for(int i=0;i<n;i++)
        {
            r[i]=(int)(Math.random()*diff)+low;
        }
        
        return r;
    }
}

主函数：

public static void main(String[] args) {
        int N=1000;
        int start = 0;
        int end = 100000;
        
        Random rn =new Random();
        int[] A = new int[N];
        A = rn.RandomGen(N, start, end);//生成0到100000内的100个随机数