[대학교 과제]Columbia University COMS|Introduction of Java 2nd Project
문제 import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); //Again button String buttonStart; //system confirmation. If it is true, system run. False, system break. boolean confirm=true; //year(such as 1800 or 2001). int y=0; while (confirm) { System.out.print("Please enter the year that you want to calculate: "); y = in.nextInt..