abstract-class_开发者

Why don't these abstract methods need to be implemented?

What am I missing here?In the following webpage, it\'s expl开发者_StackOverflowained how to write a SOAP extension class:[详细]

2023-04-02 12:51 分类：问答

Can I have private final fields in abstract class

Can I create a abstract class like below..? abstract class A{ private final Stringfoo; private final Stringtoo;[详细]

2023-04-02 00:23 分类：问答

Intercepting method from abstract parent on derived instance using DynamicProxy

I have an object derived from an abstract base class and I want to intercept a method on the object. Does DynamicProxy support this scenario? I seem to only be able to create proxies by interface or[详细]

2023-04-01 22:04 分类：问答

Calling abstract function on boost thread, does not interrupt at interruption_point

I have created an abstract base class to allow for multiple implementation of a task, which can be called generically via MFC dialog. This task needs to be able to be interrupted if the user clicks ca[详细]

2023-04-01 21:31 分类：问答

Abstract class with pure virtual method - why is it possible to do "Abstract * abs3;"?

Consider the following : class Abstract { public: virtual void f开发者_JAVA技巧unc() = 0; }; int main() {[详细]

2023-04-01 15:19 分类：问答

Java ClassLoader Basics

I have a need for a personal command-line tool that should take the name of a concrete subclass as a CL argument and instantiate the correct Java class at runtime:[详细]

2023-03-31 14:41 分类：问答

Using interfaces in combination with a generic asbtract DAO?

I have a BaseRepository generic abstract class with some interesting methods which can be used with JPA. More lately I\'ve gotten into the habit of writing DAOs and Services against predefined interfa[详细]

2023-03-31 13:29 分类：问答

Java - Can the children of an abstract class (the "extends"-ers) instantiate themselves via their parents abstract method?" i.e. m = new this();"?

First things first, please be aware I am trying to express my question as best I can with my current knowledge and vocabulary, so please excuse this...[详细]

2023-03-31 07:28 分类：问答

Allow derived class to implement a single pure virtual function from base abstract class

Is it possible to have a abstract base class with a number of pure virtual functions: template <typename T, typename U = NullType, typename V = NullType>[详细]

2023-03-31 01:15 分类：问答

How does the intent of an interface differ from an abstract class with abstract methods?

Explanation/preamble In Java, if you declare an abstract class with abstract methods, e.g. public abstract class MyAbstractClass {[详细]

2023-03-30 19:08 分类：问答

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