在java中使用状态模式实现队列

Question

我正在尝试学习状态设计模式，我老师提供的练习之一是实现队列，有人可以帮助我吗？

Answer 1

The state design pattern is of the behavioral family and allows objects to alter their behavior depending on their internal state.

There are numerous examples of the state pattern in the Web, you can check for example this or this .

For implementing a queue using the state pattern, you have to think what states a queue could have (eg, empty, full, etc) and how the behavior of its actions (eg, enqueue, dequeue, peek, etc.) would change based on the state.

You could also check this for more info about queue data structures.

If you play around a bit and have problems, copy some code and we 'll work on it.