class F { int age, height, weight;

F( ) {

System.out.println("인자없는 생성자"); }

F( int a, int h, int w )

{ age=a; height =h; weight=w;

System.out.println("인자 3개인 생성자");

System.out.println("인자 3개인 생성자"+ a+h+w ); }

void eat() { System.out.print("소식"); }

void sleep() { System.out.print("단잠"); }

}

public class ♡6 {

public static void main(String args[ ]) {

F aa = new F();

F bb= new F(29, 180, 78);

aa.eat( ); bb.sleep( ); } }