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How Does the Modulo Operator Work in Java?

Linda Hamilton
Release: 2024-10-30 07:36:27
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How Does the Modulo Operator Work in Java?

Mod Operator in Java: Syntax and Semantics

In programming languages, the modulo operator (%) calculates the remainder of a division operation. In Java, the modulo operator is used for non-negative integers. However, it differs slightly in semantics from the pseudocode you provided.

Syntax for Modulo Operator:

The syntax for the modulo operator in Java is:

<code class="java">int result = number % divisor;</code>
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Example:

The following code demonstrates the use of the modulo operator:

<code class="java">int number = 10;
int divisor = 3;
int remainder = number % divisor;
System.out.println(remainder); // Output: 1</code>
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The result of the modulo operator is 1, which is the remainder when 10 is divided by 3.

Alternative for Even/Odd Check:

In your pseudocode example, you used the modulo operator to check if a number is even or odd. However, Java uses the remainder operator %, not the modulo operator, for this purpose. The syntax for the remainder operator is the same as for the modulo operator.

<code class="java">if ((a % 2) == 0) {
    isEven = true;
} else {
    isEven = false;
}</code>
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Simplified Version:

You can simplify the above code using a one-liner:

<code class="java">isEven = (a % 2) == 0;</code>
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