package operator; public class Demo03 { public static void main(String[] args){ //关系运算符返回的结果: 正确,错误 通过布尔值来表示 true false int a = 10; int b =20; int c =21; //取余数,模运算 System.out.println(c%a); //c / a 21/10 =2....1 System.out.println(a > b); //大于 System.out.println(a < b); //小于 System.out.println(a == b); //等于 System.out.println(a != b); //不等于 } }