Queue
繼承Collection
public interface Queue<E> extends Collection<E>
方法有
boolean add(E)
boolean offer(E)
E remove()
E poll()
E element()
E peek()
- Queue實現類們
- 方法區別
繼承Collection
public interface Queue<E> extends Collection<E>
方法有
boolean add(E)
boolean offer(E)
E remove()
E poll()
E element()
E peek()
//樹基本構造 public class TreeNode<T> { T value; TreeNode<T> leftChild; TreeNode<T> rightChild; TreeNo