Operator Precedence

Figure 2.11 shows the precedence and associativity of the operators introduced in this chapter. The operators are shown top to bottom in decreasing order of precedence. All these operators, with the exception of the assignment operator =, associate from left to right. Addition is left-associative, so an expression like x + y + z is evaluated as if it had been written (x + y) + z. The assignment operator = associates from right to left, so an expression such as x = y = 0 is evaluated as if it had been written x = (y = 0), which, as we’ll soon see, first assigns 0 to y, then assigns the result of that assignment—0—to x.


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