public class Demo
{
public static void main(String[] args)
{
Protection ob1 = new Protection();
Derived ob2 = new Derived();
SamePackage ob3 = new SamePackage();
}
}
class Protection
{
int n =1;
private int n_pri = 2;
protected int n_pro = 3;
public int n_pub = 4;
public Protection()
{
System.out.println("base constructor");
System.out.println("n = " + n);
System.out.println("n_pri = " + n_pri);
System.out.println("n_pro = " + n_pro);
System.out.println("n_pub = " + n_pub);
}
}
class Derived extends Protection
{
Derived()
{
System.out.println("derived constructor");
System.out.println(" n = " + n);
System.out.println("n_pro = " + n_pro);
System.out.println("n_pub = " + n_pub);
}
}
class SamePackage
{
SamePackage()
{
Protection p = new Protection();
System.out.println("same package constructor");
System.out.println("n = " + p.n);
System.out.println("n_pro = " + p.n_pro);
System.out.println("n_pub = " + p.n_pub);
}
}
class Protection2 extends Protection
{
Protection2()
{
System.out.println("derived other package constructor");
System.out.println("n_pro = " + n_pro);
System.out.println("n_pub = " + n_pub);
}
}