Done using an arithmetic expression evaluation stack: file input from the keyboard or an arithmetic expression, calculate and display the results.
利用栈完成算术表达式求值：从键盘或文件中输入算术表达式，计算其结果并显示。
For example, arithmetic expression evaluation is performed in left-to-right order (JLS section 15.6) as viewed by the thread performing the operations, but not necessarily as viewed by other threads.
例如，算术表达式的计算在线程内看来是从左到右地执行操作(JLS 15.6章节)，而这种执行效果是没有必要被其他线程观察到的。
As you probably suspect, the integer conversion rank is used to define the rules for expression evaluation. Those rules are named the integer promotions and the usual arithmetic conversions.
就如你可能猜想的那样，整数转换优先级用于定义表达式求值的规则。这些规则叫做整型提升和常用算术转换。
As you probably suspect, the integer conversion rank is used to define the rules for expression evaluation. Those rules are named the integer promotions and the usual arithmetic conversions.
就如你可能猜想的那样，整数转换优先级用于定义表达式求值的规则。这些规则叫做整型提升和常用算术转换。
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