All Questions
11
questions
-2
votes
1
answer
504
views
Protected variable not accessible within child class in Java
I have the following structure -
App.java -
package JohnParcellJavaBasics.AccessModifierDemo;
import JohnParcellJavaBasics.AccessModifierDemo.*;
public class App {
public static void main(String[]...
- 1,288
0
votes
1
answer
62
views
Package-private member visibility in complex inheritance / package combinations - Qiuck General Rule to verify visibility
If Base and Derived classes are in different packages then package-private member from Base shall not be inherited and thus it shall be absent in Derived, that is such member shall be inaccessible ...
- 3,186
1
vote
2
answers
61
views
Java: protected, visibitily [duplicate]
I'm a bit confused about the whole protected thing in java. If something is protected only the classes within the same package can access it, right?
Should we use protected private attributes in a ...
- 27
5
votes
3
answers
4k
views
Java: calling a super class' protected method from a subclass - not visible?
I am calling a super class' protected method from a subclass. Why is this method "not visible"?
I've been reading some posts such as this one, that seem to contradict the following:
Super class:
...
- 12.1k
-1
votes
2
answers
1k
views
Why can protected attributes be accessed by other classes of the same package [duplicate]
Why do protected attributes in a Java class can be accessed by the other classes of the same package ?
I thought it was only accessible through inheritance.
A.java
package abc;
class A {
...
- 540
0
votes
1
answer
761
views
Why is a protected variable visible at class level? [duplicate]
A protected variable is access to any class within a package and only to a subclass that extends the base class outside the package.
Why did Java implemented this in this was i.e default within ...
- 1,025
1
vote
0
answers
32
views
Why cannot I see third party protected members of parent? [duplicate]
I noticed strange behaviour of access modifier
package protected_test.pack1;
public class Source {
protected int protectedInt= 1;
}
package protected_test.pack2;
import protected_test....
- 36.5k
2
votes
3
answers
836
views
Overrided method visibility in Java
Assume that we have a package "p1":
package p1;
public class A {
protected void method() { }
}
... and we also have a package "p2":
package p2;
import p1.A;
public class B extends A { }
...
- 167
45
votes
6
answers
17k
views
Understanding Java's protected modifier
I have a class called A in package1 and another class called C in package2. Class C extends class A.
A has an instance variable which is declared like this:
protected int protectedInt = 1;
Here is ...
- 1,429
1
vote
5
answers
2k
views
How to implement an interface on a protected java class
I was looking to implement an interface on a package-private java class, but I am having some difficulty achieving this. Below is an example.
class Foo
{
String something(String str)
{
...
- 1,135
3
votes
5
answers
7k
views
Java Protected Access Not Working
In java, there's three levels of access:
Public - Open to the world
Private - Open only to the class
Protected - Open only to the class and its subclasses (inheritance).
So why does the java ...
- 1,427