package kr.poly; import java.lang.*; public class A extends Object { public A() { super(); } public void display() { System.out.println("³ª´Â AÀÌ´Ù."); } @Override public String toString() { return "ÀçÁ¤ÀÇ ¸Þ¼­µå ÀÔ´Ï´Ù."; } }