Demo01二元运算符

package operator;

public class Demo01 {
    public static void main(String[] args) {
        //二元运算符
        //ctrl+D:复制当前行到下一行
        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(a/(double)b);

    }
}