取余 模运算

import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;
import org.w3c.dom.ls.LSOutput;

public class Demo03 {
    public static void main(String[] args) {
        //关系运算符返回的结果：正确or错误
        int a = 10;
        int b = 20;
        int c = 21;
        System.out.println(c%a);//c除以a的余数。
        System.out.println(c%b);
        System.out.println(a%(double)c);//不懂
        System.out.println(a>b);
        System.out.println(a<b);
        System.out.println(a==b);
        System.out.println(a==b);
        System.out.println(a!=b);
    }


}
输出：

1
1
10.0
false
true
false
false
true

Process finished with exit code 0

取余 模运算

原文：https://www.cnblogs.com/gracewqy/p/15160990.html