When modeling the business process, make sure that the variable initialization happens prior to the human task invocation.

在对业务流程建模时，请确保在调用人工任务之前初始化流程变量。

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In Listing 1, you saw several simple statements, including a variable initialization, a method invocation (the type method), and a multiplication operation.

在清单1中，您看到了几个简单的语句，包括一个变量初始化、一个方法调用(type方法)和一个乘法操作。

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Variable declaration, initialization, and (re) use.

变量声明、初始化和使用(重用)。

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Initialization. A very common bug is to initialize a variable. Go through a loop, and then forget to reinitialize it when it needs to be reinitialized again.

忘记初始化,忘记初始化变量是一个很常见的错误,运行完一个循环之后,当需要再次初始化时。

麻省理工公开课 - 计算机科学及编程导论课程节选