list.java

来自「java编程开发技巧与实例的编译测试通过的所有例程」· Java 代码 · 共 47 行

public class List
{
	private int maxItems = 100;
	private int numItems = 0;
	private Object[] list = null;
	public List()
	{
		list = new Object[maxItems];
	}
	public List(int _maxItems)
	{
		maxItems	=	_maxItems;
		list		=	new Object[maxItems];
	}
	public void add(Object obj)
	{
		list[numItems] = obj;
		numItems ++;
	}
	public void delete(int pos)
	{
		for (int i = pos + 1; i < numItems; i ++)
			list[i] = list[i];
		numItems --;
	}
	public Object get(int pos)
	{
		return list[pos];
	}
	public int getSize()
	{
		return numItems;
	}
	public boolean isFull()
	{
		return (numItems >= maxItems);
	}
	public String toString()
	{
		String s = new String();
		for (int i = 0; i < numItems; i ++)
			s += "\n" + list[i].toString();
		return s + "\n";
	}
}