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Programmers frequently make errors regarding the precedence rules of operators due to the unintuitive low-precedence levels of {{&}}, {{\|}}, {{\^}}, {{<<}}, and {{>>}}. Mistakes regarding precedence rules can be avoided by the suitable use of parentheses. Defensive use of parentheses, if not taken to excess, also improves code readability. |
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The precedence of operations by the order of the subclauses are defined in the Java Tutorials \[[Tutorials 08|AA. Java References#Tutorials 08]\]. |
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public static final int MASK = 1337;
public static final int OFFSET = -1337;
public static int computeCode(int x) {
return x & MASK + OFFSET;
}
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Due According to the operator precedence rules, the expression is parsed as:
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x & (MASK + OFFSET)
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This expression gets evaluated as shown below, resulting in the value 0.
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