protected « inner class « Java Class Q&A

1. why don't protected inner class compile?    coderanch.com

i have a three .java files followed: package myclass1; interface Animal { void move(); void eat(); } ////////////////// package myclass2; import myclass1.Animal public Dog { protected class WhiteDog implements Animal { public move(){......} public eat(){......} } } ////////////////// package myclass3; import myclass2.Dog; public LittleDog extends Dog { public WhiteDog fun() { return new WhiteDog(); } public static void main(String[] arg) { ...

2. how to access protected inner class    coderanch.com

Well, let's see if you can solve it. It usually helps if you read the error message. For example, here is the code I used to test: package forums.inheritance.innerprotected.one; public class Outer { protected class Inner { public void doStuff() { System.out.println("Inner Do Stuff."); } } } package forums.inheritance.innerprotected.two; import forums.inheritance.innerprotected.one.Outer; public class Maker extends Outer { Inner i = new ...

3. Protected members in a protected static inner class    coderanch.com

Ok I came across an interesting dilema and was wondering if anyone could answer it. This is probably not good practice and you would never do it.. but for an intellectual exercize Lets say I have the following class in a package com.thing.mine: package com.thing.mine; public class StaticInner { protected static class SimpleConstants { protected static final String username="username"; protected static ...

4. protected inner class    forums.oracle.com

5. Protected Inner Class problem    forums.oracle.com

a class and its constructor are not the same. a protected constructor is accessible to subclasses of the declaring class (that's Inner). InnerProtect2 does not extend Inner, nor is it in the same package. so no, "it shodnt". a protected member class is accessible to subclasses of the declaring class. that is, class Inner is accessible to InnerProtect2, but its constructor ...

6. Accessing Protected Inner Classes    forums.oracle.com

7. Instantiation of protected inner classes    forums.oracle.com

WalterLaan wrote: Note this isn't just useful for unit test, for example a lot of inner classes in the Swing UI classes are (package) private, where if they were protected, you could much better override some UI behaviors without coping the entire inner class. I don't do GUIs but that is a pretty broad condemnation. I certainly don't seem to recall ...

8. Accessing inner protected class with .new    forums.oracle.com

If you move the two classes into the same package, everything compiles. It looks like you don't have access to the constructor of ProtectedInnerClass if you're in different packages (is the default constructor always the same access level as the class?) If the constructor is protected, then you cna't use it since your not in the same package as ProtectedInnerClass and ...