Let's take a look at a protected instance variable of a superclass. : protected « Modifiers « SCJP

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SCJP » Modifiers » protected 
3.5.2.Let's take a look at a protected instance variable of a superclass.
package certification;
public class Parent {
   protected int x = 9// protected access
}

x is accessible to all other classes inside the certification package, 
as well as inheritable by any subclasses outside the package

package other; // Different package
import certification.Parent;
class Child extends Parent {
   public void testIt() {
      System.out.println("x is " + x)// No problem; Child inherits x
   }
}
3.5.protected
3.5.1.protected features are even more accessible than default features.
3.5.2.Let's take a look at a protected instance variable of a superclass.
3.5.3.Child class accesses the protected variables through inheritance, not accessing it through a reference to an instance of the superclass.
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