mylist.java

来自「java 教程相应的代码 全是自己写的内附注释 很容易看明白的」· Java 代码 · 共 46 行

package demo.chapter.collection;

import java.util.Iterator;

public class MyList<T> implements Iterable<T> {

	private T[] contents;
	private int idx;
	
	public MyList(T... contents) {
		this.contents = contents;
	}
	

	@Override
	public Iterator<T> iterator() {
		return new Iterator<T>() {

			@Override
			public boolean hasNext() {
				if (idx < contents.length)
					return true;
				return false;
			}

			@Override
			public T next() {
				return contents[idx++];
			}

			@Override
			public void remove() {
				throw new RuntimeException("不允许访问该方法");
			}
			
		};
	}
	
	public static void main(String[] args) {
		MyList list = new MyList();
		for (Object obj : list) {
			
		}
	}
}