Contents
What is a public field?
Both static and instance public fields are writable, enumerable, and configurable properties. As such, unlike their private counterparts, they participate in prototype inheritance.
What is the difference between fields and properties?
Fields should (almost always) be kept private to a class and accessed via get and set properties. Properties provide a level of abstraction allowing you to change the fields while not affecting the external way they are accessed by the things that use your class.
Can fields be public Java?
Instance variable is a variable declared within the class for which every object of the class has its own value. In Java, making a class field public can cause lot of issues in a program. For instance you may have a class called MyCompany.
Why do we declare the data fields as public?
The public access modifier means that the field can be accessed by all classes in your application. You would probably not use all access modifiers in the same class. Most often you use private and protected . For simple, data carrying classes you may declare all fields public .
Can a private field be exposed as a public property?
Not all private fields should be exposed as public properties. You should certainly use properties for anything that needs to be non-private, but you should keep as much of your class private as possible. In simpler words, answer to your question is the access modifiers i.e. public and private.
What’s the difference between automatic properties and public fields?
There is no difference, in version 1 – but later, if you decide you need to make this a property with some type of error checking in version 2, you don’t have to change your API- no code changes, anywhere, other than the definition of the property.
Can a general public access a public property?
If the general public is permitted to access only certain areas or for certain limited purposes, you right to access the property for newsgathering purposes is similarly limited.
Do you use public or private fields in C #?
Now you can’t get fancy with it, but it is there, and if you need to get fancy you just spell it out later. However public, private, protected… it’s all a matter of who you want to be able to tweak the data. We use inheritance a lot and this is a very common method for us, so that only chidren can edit certain properties.