Class Information Hiding & Encapsulation

Cino.java

public class Cino {
private int a = 9;
protected int b = 7;

public void info()
{
System.out.println("Dipanggil pada = " + this.getClass().getName());
System.out.println("a = " + a);
System.out.println("b = " + b);
}
}

Deta.java

public class Deta extends Cino
{
private int c = 9;

public void info()
{
System.out.println("Dipanggil pada = " + this.getClass().getName());
System.out.println("b = "+b);
System.out.println("c = "+c);
}
}

Echo.java

public class Echo {


public static void main(String[] args) {
Cino obj1 = new Cino();
obj1.info();
Deta obj2 = new Deta();
System.out.println("");
obj2.info();

}
}