The difference between / and % in java

/ is used for integer division operations and returns the quotient, while % is used for remainder operations and returns the remainder. For example: 10 / 3 = 3, 10 % 3 = 1, because the quotient of 10 divided by 3 is 3 and the remainder is 1.

The difference between / and % in Java

Short answer:

/ is used for integer division operations, and % is used for remainder operations.

Detailed explanation:

Integer division operation (/)

• / Operator Performs an integer division operation in which the remainder of the dividend is discarded.
• It divides the dividend by the divisor and returns the quotient as the result.
• For example: 10 / 3 = 3, because the quotient of 10 divided by 3 is 3.

Remainder operation (%)

• % operator performs the remainder operation, which returns the dividend divided by the divisor The remaining remainder.
• It does not consider the quotient part.
• For example: 10 % 3 = 1, because the remainder of 10 divided by 3 is 1.

Example:

<code class="java">int dividend = 10;
int divisor = 3;

System.out.println("整除运算结果：" + (dividend / divisor)); // 输出 3
System.out.println("求余运算结果：" + (dividend % divisor)); // 输出 1</code>

Other notes:

• For integer division operations, if the dividend or If the divisor is a floating point number, the result will be converted to an integer.
• For the remainder operation, if the divisor is 0, an ArithmeticException exception will be thrown.

By understanding the difference between the / and % operators, you can correctly perform division and remainder operations in your code.

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