superclass

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Make a subclass out of a existing superclass field

I need to create a sub-class of a existing class, which I know how to do, but I need to be able to create the subclass based off a existing super class without modifying the super class.[详细]

2023-03-15 02:10 分类：问答
Something weird is happening to the Person

In the following java code public class Person { int age = 18; } class Student extends Person { public Student() {[详细]

2023-03-13 08:57 分类：问答
How to cast a super variable differently inside each of his children's?

The current status I have a superclass named \"GeneralCard\" that is the super of many \"CardsControllers\".[详细]

2023-03-12 17:57 分类：问答
Uninstantiable superclass

So, I\'m writing a module for connecting to external account providers (Twitter, Facebook etc) and I have a superclass that is useles开发者_如何学Cs on its own, but contains generic methods that need[详细]

2023-03-11 15:58 分类：问答
Android Class.getGenericSuperclass returns java.lang.Object

I am trying to read generic info from a class. Here is what I am doing: first of all I have a class EntityHelper. Somewhere inside it I want to see what is actually that T.[详细]

2023-03-11 00:30 分类：问答
Understanding Python Class Initialization

Suppose I have two classes: class A(): pass class B(): pass I have another class class C(object): def __init__(self, cond):[详细]

2023-03-10 10:39 分类：问答
Error populating ObservableCollection

I have this code: ObservableCollection<GuiQuestionCluster> clusters = new ObservableCollection<GuiQuestionCluster>(this.ExaminationViewModel.Examination.QuestionClusters);[详细]

2023-03-04 03:48 分类：问答
How to programmatically find list of classes that have inherited a particular class in Java

I have a class called MyClass. Is it possible to programmatically find a list of classes that have inherited MyClass?[详细]

2023-03-01 04:24 分类：问答
Interesting loop? How can a base class include a child class as a member?

How can a base class include a child开发者_如何转开发 class as a member? For example: @interface Magic : NSObject {[详细]

2023-02-22 01:25 分类：问答
How to call a superclass method using Java reflection

I have two classes: public class A { public Object method() {...} } public class B extends A { @Override public Object method() {...}[详细]

2023-02-19 02:40 分类：问答