数组元素与普通变量

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> 
 * <br/>Copyright (C), 2001-2010, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee
 * @version  1.0
 */

class Cat
{
	double weight;
	int age;
	public Cat(double weight , int age)
	{
		this.weight = weight;
		this.age = age;
	}
}
public class ArrayTest
{
	public static void main(String[] args) 
	{
		//定义，并动态初始化一个int[]数组
		int[] pos = new int[5];
		//采用循环为每个数组元素赋值
		for (int i = 0; i < pos.length ; i++ )
		{
			pos[i] = (i + 1) * 2;
		}
		//对于pos数组的元素来说，用起来完全等同于普通变量
		//下面即可将数组元素的值赋给int变量，也可将int变量的值赋给数组元素
		int a = pos[1];
		int b = 20;
		pos[2] = b;
		//定义，并动态初始化一个Cat[]数组
		Cat[] cats = new Cat[2];
		cats[0] = new Cat(3.34, 2);
		//将cats数组的第1个元素的值赋给c1。
		Cat c1 = cats[0];
		Cat c2 = new Cat(4.3, 3);
		//将c2的值赋给cats数组的第2个元素
		cats[1] = c2;
	}
}