Why do we need a default no argument constructor in many Java related APIs? Like as a general rule all java bean classes or entity classes (JPA etc) or JAX-WS implementation classes require a explicit
When I try to create an object of Graphics, why doesn\'t the following work? System.Drawing.Graphics graphicsObj = new System.Drawing.Graphics();
Is there a way to make the compiler create the default constructors even if I provide an explicit constructor of my own?
This question already has answers here: Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
The following does not compile: class Foo { public: Foo( boost::shared_ptr< Bar > arg ); }; // in test-case
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1
I recently saw this constructor in a class: public MyClass(){ } There were no other constructors. Is there a reason for this? Java automatically creates a default constructor, so why would you de
I am trying to do this: public class BaseTable<T extends TableEntry> { protected int mRows; protected int mCols;
Please help me with the following problem: I have the following classes: class ChemicalElement { private:
I need to know how to get something to work. I\'ve got a class with a constructor and some constants initialized in the initializer list. What I want is 开发者_运维技巧to be able to create a different
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