1 package Format_daqo;
2
3 import java.util.Arrays;
4 import java.util.Random;
5
6 public class Randoms {
7
8 public static void main(String[] args) {
9 int[] score =new int[100];
10 //取100个0到100之间的随机数
11 for (int i = 0; i < score.length; i++) {
12 score[i]=(int)(Math.random()*101);
13 }
14 System.out.println(Arrays.toString(score));
15 //查找100分的或0分的
16 for (int i = 0; i < score.length; i++) {
17 if(score[i]==0||score[i]==100){
18 System.out.println(i+"\t"+score[i]);
19 }
20 }
21
22 System.out.println("-----------------");
23
24 //Random
25 Random rand=new Random();
26 double[] arr=new double[50];
27 for (int i = 0; i < arr.length; i++) {
28 arr[i]=rand.nextDouble()*100;
29 }
30 System.out.println(Arrays.toString(arr));
31 }
32
33 }
