package operator;
public class Demo01 {
public static void main(String[] args) {
// 二元运算符
int a = 10;
int b = 20;
int c = 25;
int d = 25;
System.out.println(a+b);
System.out.println(a-b);
System.out.println(a*b);
System.out.println((double) a/b);
}
}