"Is-A" refers to the "one" of one class and belongs to another class, while "Has-A" is different, which indicates that a certain role has a certain responsibility. A common reason for the wrong use of inheritance instead of aggregation is to mistakenly treat "Has-A" as "Is-A". For example:
此时此刻，项羽心里有些矛盾了，他觉得范增已经老了，在很多事情上有些莫名其妙。
For example, first define a function, which has three methods, namely win, lose and die. As long as a player dies, the game is over and its opponent needs to be informed of victory. The code needs to be written as follows:
我知道你有很多疑问。
(three) other provisions of the medical security management.
Mark said it was disconsolate that the PC was not updated.
希望渺茫，不服输的麦昆能否重新取得胜利的荣光……
老大人祖孙团聚，实在是可喜可贺。
小葱展开笑脸道：就该这样。
《断片》的创新之处在于，这是个竖屏剧，4个主角4个视角，有点密室逃脱的感觉。看了预告有些吓人，大片质感。
} else if (state.getValue (). Equals ("state2")) {
晚上则让值夜的丫头睡。
四个不同的极点——Nick(Pon饰)、Wan(Mo饰)、Beam(Patricia饰)和wayu(God饰)——不断地相互环绕，在碰撞的火焰中反复碰撞和燃烧。
宝琳娜进入了宝欧拉的丈夫家---一个逐渐衰败的布兰楚家族。宝琳娜为了减轻自己的罪恶感，她试着改变布兰楚家人的生活。
1985年，那时正是美苏两极争霸越演越烈的年代，史泰龙自导自演的洛基系列也出到了第四集，这一系列影片旨在振奋人心、宣扬美国精神。这一集讲述的是洛基（西尔维斯特•史泰龙 Sylvester Stallone 饰）的好友前美国拳王到苏联出战他们研制的拳击机械人，不敌对手最终身遭不测。为了帮好友复仇和维护国家荣誉，洛基决定再次出马。 出战前，洛基进行了一系列精心的准备工作，他深入到大自然，利用自然的艰苦条件刻苦训练。当一切准备妥当，洛基和苏联拳王――拳击机械人的决斗展开了！
否则，他未必是你的良配。
"When the two mountains were fighting, I have fought many battles, However, the most impressive one was the battle to defend position 149 during the July 12 War. I thought that the war was between people and people. I didn't expect to fight with animals here, not only animals, but also flying in the sky and drilling in the soil. If it weren't for the use of new shells to support us later, the position would have been lost. "
