[Java] 숫자와 연산

public class Number {
    public static void main(String[] args) {
        //Operator
        System.out.println(6+2); //8
        System.out.println(6-2); //4
        System.out.println(6*2); //12
        System.out.println(6/2); //3

        System.out.println(Math.PI); //3.141592653589793
        System.out.println(Math.floor(Math.PI)); //3.0
        System.out.println(Math.ceil(Math.PI)); //4.0
    }
}

Math 연산

https://www.youtube.com/watch?v=3atGGWQYaiU&list=PLuHgQVnccGMAIluRRVsC1e79ri-dwnBmR&index=16