直接上代码------------------------java------------------------Math.random()
1 import java.util.Scanner; 2 3 public class Random { 4 5 public static void main(String[] args) { 6 int n; 7 Scanner cin = new Scanner(System.in); 8 System.out.println("请输入要产生的随机数的个数"); 9 n = cin.nextInt(); 10 int[] a = new int[n]; 11 12 for (int i = 0; i < n; i++) { 13 a[i] = (int) (100 * Math.random()); 14 } 15 /* 16 * 这的int可换为byte,但不能为float,long,double 17 * 其中的100产生随机数的范围为0~100内当然也可与为10,1000,1,任意数; 18 */ 19 20 for (int i = 0; i < n; i++) { 21 System.out.println("i = " + i + " " + a[i]); 22 } 23 } 24 25 }