2021/01/22 - [공부/자바(java) 융합개발자 2차] - [자바 9일차] 28일차 - 컬렉션 프레임워크 (p.404~447) 쓰레드, I/O Gugudan.java package com.day10; public class Gugudan { public static void main(String[] args) { Gugudan g1 = new Gugudan(5); g1.print(); //5*1= 5 .. } } => 완성하기 package com.day10; public class Gugudan { private int dan; public Gugudan(int dan) { //생성자 this.dan = dan; } public void print() { for(int i = 1; i < 10..