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1.5 Expressions, Statements and Blocks.md
表达式是由变量(文字量)、运算符和方法调用组成的构造,它们根据语言的语法构造,计算结果为单个值。简单地说,用运算符对运算数进行运算的公式构成了表达式。运算数可以是变量、文字量、其他表达式的结果、方法调用的结果。 double PI = 3.1415926d, r = 2 ...
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