MEMBUAT PROGRAM MainPersegi.java

public class MainPersegi{
  public static void main (String []args){
Persegi pg = new Persegi ();
pg.setPanjang (10);
pg.setLebar(20);

System.out.println("Panjang : "+pg.getPanjang());
System.out.println("Lebar: "+pg.getLebar());
System.out.println("Luas: "+pg.getLuas());
}
}