arrayiterator.java

来自「用数组实现的bingo游戏程序」· Java 代码 · 共 34 行

package jss.bag;

import java.util.*;

public class ArrayIterator implements Iterator {

	private int count;

	private int current;

	private Object[] items;

	public boolean hasNext() {
		return (current < count);
	}

	public ArrayIterator(Object[] collection, int size) {
		items = collection;
		count = size;
		current = 0;
	}

	public Object next() {
		if (!hasNext())
			throw new NoSuchElementException();
		current++;
		return items[current - 1];
	}

	public void remove() throws UnsupportedOperationException {
		throw new UnsupportedOperationException();
	}
}