Calendar 클래스를 사용해서 만년 달력 만들기import java.util.Calendar;import java.util.Scanner;public class CalendarA {public static void main(String[] args) {Calendar now = Calendar.getInstance();Scanner sc = new Scanner(System.in);int i, y, m, w, lastday;do {System.out.print("년도?");y = sc.nextInt();} while (y stack int a = 10; double b; b = a; 암시적형변환 잘들어감. b = (double)a; 명시적형변환 a = b; 안들어감 a = (int)b;명시적형변환. ..