protected « subclass « Java Class Q&A

1. How are java.lang.Object's protected methods protected from subclasses?    stackoverflow.com

The keyword protected grants access to classes in the same package and subclasses (http://java.sun.com/docs/books/tutorial/java/javaOO/accesscontrol.html). Now, every class has java.lang.Object as superclass (http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html). Hence I conclude that every class may ...

2. Use a subclass object to modify a protected propety within its superclass object    stackoverflow.com

Sorry for the crappy title I failed to think of a better version for my Java question. I am right now using Java version: 1.6.0_18 and Netbeans version: 6.8 Now for the question. What ...

3. Why can subclass not have PROTECTED ACCESS?    coderanch.com

Why can subclass not have PROTECTED ACCESS? public class Base {} public class Sub extends Base {} nicht zulssig, da in einem Source-File nur eine PUBLIC-Klasse sein darf Ist die Base-Klasse PUBLIC, dann darf die Sub-Klasse nur FRIENDLY als Zugriffsmodifier haben: public class Base {} class Sub extends Base {} //FRIENDLY ACCESS MODIFIER class Base {} protected class Sub extends ...

4. Protected method in a packaged superclass not being called by subclass    coderanch.com

5. Protected method in a packaged superclass not being called by subclass    coderanch.com

I think I am getting somewhere with the following explanation, At compile time, b is treated as a Fruit object...Now calling k() on Fruit object is not possible because protected makes accessible only through inheritance. That's why when we assign it to Apple type it works fine... Let me know if I am correct here...

6. protected access method not accessible by subclass??    forums.oracle.com

The package is only related to the extent that protected access extends to the other package classes. Thus if it was the same package then the following would work. a.getS() Since it isn't the same package it doesn't work. The other part of protected is via derivation. But that code isn't using it in a derived manner (like inside a child ...

7. accessing static protected methods in Subclass    forums.oracle.com

Hi, Can we access static protected members of a class from one of its subclasses using a reference of the Superclass (assuming both the superclass and subclass are in different packages). If yes - please explain. package p1; public class Base { protected static void method1() { System.out.println("Base"); } } package p2; public class Child extends Base{ public static void main(String[] ...