[JAVA] 9.JAVA涓殑Collection
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Iterable
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import java.util.Iterator;
public class GenericList<T> implements Iterable<T> {
private T[] items = (T[]) new Object[10];
private int count;
public void push(T item) {
items[count++] = item;
}
public T get(int index) {
return items[index];
}
@Override
public Iterator<T> iterator() {
return new ListItertor(this);
}
private class ListItertor implements Iterator<T> {
private GenericList<T> list;
private int index;
public ListItertor(GenericList<T> list) {
this.list = list;
}
@Override
public boolean hasNext() {
return index < list.count;
}
@Override
public T next() {
return list.items[index++];
}
}
}
Hash Table
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