public class Main { public static void main(String[] args) { System.out.println(6); //Number System.out.println("six"); //String System.out.println("6"); //String 6 System.out.println(6*6); //36 //System.out.println("6"*"6"); Error System.out.println("1111".length()); //4 //System.out.println(1111.length()); Error 숫자는 길이x } } public class Main { public static void main(String[] args) { System.ou..