String exp = "8 +8";
Let me explain the role of these classes: MySubject class is our main object, Observer1 and Observer2 are objects that depend on MySubject, and Observer1 and Observer2 must change when MySubject changes. The AbstractSubject class defines a list of objects to be monitored, which can be modified: add or delete monitored objects, and when MySubject changes, it is responsible for notifying the objects that exist in the list. Let's look at the implementation code:
众人都呆望着郑氏，觉得她疯了。
女主出生在一个有钱的人家里，但因为她是女婴，而她的奶奶想要一个男孙以便可以继承庞大的家业，所以女主和她妈妈被奶奶赶出了家门。 被赶出家门后女主和妈妈过着非常清贫的艰难的生活。幸运的是，机缘巧合下她遇到了一位百万富翁，百万富翁非常喜欢她于是收养了她。女主于是一朝飞上枝头从丑小鸭变白天鹅了。
金国大王子向宋徽宗提出和亲，他离开汴梁时他恰巧遇到出逃的公主，把她当成了小宫女，对她暗生情愫。金国明为和亲，真实的目的却是要杀掉公主破坏和亲引发战争。大王子派人追杀公主，却不知公主正是自己心爱的那个小宫女。公主出逃后遇到了一个小郎中，没有想到小郎中竟然是金国的二王子。大宋公主和两个金国王子陷入了一段三角恋情。
影片取材自唐代裴刑短篇小说集《传奇》里的《聂隐娘》一篇，讲述聂隐娘幼时被一尼姑掳走，过了五年被送回已是一名技艺高超的女刺客，一次她奉命刺杀刘昌裔却为对方气度折服转而投靠，后又化解精精儿、空空儿两次行刺，是为名噪一时的传奇女侠。
从此之后，你要相夫教子，做个贤妻良母。
Subject Content and Scope of Application
NIO is a synchronous non-blocking I/O model and is also the basis of I/O multiplexing.
一个职业小偷有4000万美元的债务和他的家庭的生命在危险中，必须实施最后的抢劫-抢劫一个空中赌场，充满了世界上最危险的罪犯。
/blush
When I heard this, I coughed gently and motioned for his words to be a bit off the topic. Wang Zeduan was embarrassed at first. Looking at his expression, he did feel that what he said had nothing to do with the topic, but then he smiled and didn't care, but went on to say:
剧改编自作家木浮生同名热门言情经典，讲述了欧缦集团副总厉择良邂逅元气少女苏写意并一见钟情，而后，骤然杳无音信的苏写意突然又出现在了厉择良面前，拥有命中注定羁绊的两个人在互相试探、隐瞒的过程中渐渐触碰到彼此真心，最终相爱相守的故事
Visitor mode is to encapsulate some operations applied to a certain data structure. Once these operations need to be modified, the data structure that accepts this operation can be saved unchanged. Visitor mode is suitable for systems with relatively stable data structures. It reduces the coupling degree between data structures and operations acting on data structures, making the set of operations relatively free to change. The specific structure diagram is as follows:
哦？何人？可否引荐给汉王？是否得到重用？吕雉听到萧何对一个人评价如此之高，顿时来了兴趣。
2. Graduates with bachelor's degree or above: They are required to have a good foundation in English listening and speaking and pass the National English Test Band 4 or Band 6 (with a score of 425 or above).
