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() Expression Grouping Operator

Expression grouping operator allows you to change the precedence rules of operators in an expression.

Syntax:

(exp)

The following code fragment illustrates the use of the expression grouping operator:

2 + 3 * 4 - 7       // evaluates to 7
2 + 3 * (4 - 7)      // evaluates to -7

You can use parenthesis whenever you need to change the precedence of operators or increase the readability of the expression.