The modified sequence diagram can be seen below in figure 19.8.
被修改的顺序图如图19.8所示.
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Adds the starting and stopping point of an object to your Sequence diagram.
将对象的起始点和结束点中添加到序列图中.
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Figure 2 . Sequence diagram of the Train pattern . Click on thumbnail to view full - sized image.
图2中的时序图及步骤列表解释了这个设计的原理.
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