문제 13번 (상속)

import java.text.DecimalFormat;
///////왜 생성자를 쓰면 오류가 났을까 이미 정의됐다고
class Emp {
	String name = "홍길동";
	int salary = 32000000;

	public String getDisplay() {
	    DecimalFormat df = new DecimalFormat("###,###,###");
		return "이름 :"+name+"\r\n"+ "연봉 :" + df.format(salary)+"\r\n";
	}
}
class EmpExt extends Emp{
	String department = "홍보부";

	@Override
	public String getDisplay() {
		// TODO Auto-generated method stub
		return super.getDisplay()+"부서 :"+department;
	}
}

public class Test13 {
	public static void main(String[] args) {
	    Emp ob = new EmpExt();   
	    System.out.print(ob.getDisplay());
	}
}