Private is a way of encapsulation in object-oriented programming.
Private is a way of encapsulation in object-oriented programming.
Questions tagged [private]
2890 questions
3652
votes
31 answers
What is the difference between public, protected, package-private and private in Java?
In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public, protected and private, while making class and interface and dealing with inheritance?
intrepion
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What is the difference between public, private, and protected?
When and why should I use public, private, and protected functions and variables inside a class? What is the difference between them?
Examples:
// Public
public $variable;
public function doSomething() {
// ...
}
// Private
private…
Adam Halasz
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votes
15 answers
Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms.
While reading about classes, it goes on to say that in Python there is no need to declare instance variables. You just use them in the constructor, and…
Omnipresent
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Change private static final field using Java reflection
I have a class with a private static final field that, unfortunately, I need to change it at run-time.
Using reflection I get this error: java.lang.IllegalAccessException: Can not set static final boolean field
Is there any way to change the…
fixitagain
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How to read the value of a private field from a different class in Java?
I have a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example,
why should I need to choose private field is it necessary?
class IWasDesignedPoorly {
private Hashtable…
Frank Krueger
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507
votes
32 answers
How do you unit test private methods?
I'm building a class library that will have some public & private methods. I want to be able to unit test the private methods (mostly while developing, but also it could be useful for future refactoring).
What is the correct way to do this?
Eric Labashosky
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481
votes
7 answers
Internal vs. Private Access Modifiers
What is the difference between the internal and private access modifiers in C#?
Jim Fell
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348
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What is the difference between private and protected members of C++ classes?
What is the difference between private and protected members in C++ classes?
I understand from best practice conventions that variables and functions which are not called outside the class should be made private—but looking at my MFC project, MFC…
Konrad
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votes
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private final static attribute vs private final attribute
In Java, what's the difference between:
private final static int NUMBER = 10;
and
private final int NUMBER = 10;
Both are private and final, the difference is the static attribute.
What's better? And why?
okami
324
votes
11 answers
Defining private module functions in python
According to http://www.faqs.org/docs/diveintopython/fileinfo_private.html:
Like most languages, Python has the
concept of private elements:
Private
functions, which can't be called from
outside their module
However, if I define two…
olamundo
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votes
21 answers
Do subclasses inherit private fields?
This is an interview question.
Does subclasses inherit private
fields?
I answered "No", because we can't access them using the "normal OOP way". But the interviewer thinks that they are inherited, because we can access such fields indirectly or…
Stan Kurilin
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286
votes
4 answers
If I fork someone else's private Github repo into my account, is it going to appear in my account as a public repo?
Someone gave me access to one of their private repo on Github. What I want to do is to fork that project into my own account, so I could make use of Github's pull request feature.
I only have a basic account on Github, so I cannot make private repos…
Terence Ponce
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3 answers
250
votes
16 answers
Can a constructor in Java be private?
Can a constructor be private? How is a private constructor useful?
Rajesh
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9 answers
What is the use of having destructor as private?
What is the use of having destructor as private?
yesraaj
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