Java

Java中取余实现

Java中求余数的实现方法。

代码

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public class Client {
    public static void main(String[] args) {
        int i = -5;
        while(i < 10){
            System.out.println(i + ":     i%2=" + (i%2));
            i++;
        }
    }
}

结果

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-5:     i%2=-1
-4:     i%2=0
-3:     i%2=-1
-2:     i%2=0
-1:     i%2=-1
0:     i%2=0
1:     i%2=1
2:     i%2=0
3:     i%2=1
4:     i%2=0
5:     i%2=1
6:     i%2=0
7:     i%2=1
8:     i%2=0
9:     i%2=1

实现方法

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/**
 * 求余数
 * @param dividend 被除数
 * @param divisor 除数
 * @return 余数
 */
public static int remainder(int dividend, int divisor){
    return dividend - dividend / divisor * divisor;
}