arraynew.java.bak

java编程思想的部分实现

//:c04 :ArrayNew.java
import java.util.*;
class obj
{
}
public class ArrayNew
{
	static Random rand=new Random();
	static int pRand(int mod)
	{
		return Math.abs(rand.nextInt())%mod+1;
	}
	public static void main(String [] args)
	{
		Integer []a;
		a=new Integer[pRand(20)];
		System.out.println("Length of a="+a.length);
		for(int i=0 ;i<a.length;i++)
		System.out.println("a["+i+"]="+a[i]);
	}
}