作者: 张业婷 时间: 2014-10-1 09:01
还有这种方式你看那中更适合你!
public static void main(String[] args) {
for (int i = 0; i < 30; i++) {
int x=(int) (Math.random()*81);
System.out.println(x);
}
}作者: liu951753xz 时间: 2014-10-4 15:09
import java.util.Random;
public class RandomTest
{
public static void main(String[] args)
{
Random random = new Random();
int result = random.nextInt(81) + 1;
System.out.println(result);
}
}