JAVA1 - 6.3. 숫자와 연산

public class Number {

	public static void main(String[] args) {
		
		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));
		System.out.println(Math.ceil(Math.PI));
         
	}

}