public class rdmInt{
public static void main(String args[]){
Random r =new Random();
int goo[]=new int[10];
int sum=0;
for (int i=1;i<=10000000 ; i++)
{
switch(r.nextInt(10)){
case 0:goo[0]++; break;
case 1:goo[1]++; break;
case 2:goo[2]++; break;
case 3:goo[3]++; break;
case 4:goo[4]++; break;
case 5:goo[5]++; break;
case 6:goo[6]++; break;
case 7:goo[7]++; break;
case 8:goo[8]++; break;
case 9:goo[9]++; break;
}
}
for (int j=0;j<=9 ;j++ )
{
System.out.println(j+"的次数:::"+goo[j]);
import java.util.Random;
public class RandomTest{
public static void main(String args[]){
Random ran=new Random();
System.out.println(ran.nextInt(100));
}
}