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I'm now using NetBeans as my IDE-of-choice, and it has a plugin for UML modeling. In the class diagram, there are model elements known as "Boundary Class", "Control Class", and "Entity Class". However, I can't find a good definition of them, but I did...
Started by Thomas Owens on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Boundary classes are ones at the boundary.
These are class stereotypes used in analysis.
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I have a problem and not so sure how to solve it..
Consider the class:
public class BaseClass<T> { public T PreviousInstance { get; set; } }
Now my secondary data class:
public class DataClass : BaseClass<DataClass> { public bool ABoolProperty...
Started by Gavin Uttley on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
What you can do is carrying over the generic type parameter from the base class, as in
public class class AbstractDataClass<T&....
Hey,
You could try shadowing the property as in the following:
public class DerivedDataClass.
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I have three classes:
A data holder class CDataHolder, which uses a Pimpl pattern
class CDataHolder { public: // ... private: friend class CBase; struct PImpl; PImpl* iPimpl; };
A base class CBase, which need to access the iPImpl member in CDataHolder...
Started by douyw on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Since you have declared struct PImpl in the private part of CDataHolder class, only friends section or even better before the CDataHolder class?
Friend is (rightfully) very limited and can't aspect of it, or B) you need the DataHolder ....
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Ask your Facebook Friends
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In a book, it says
the class Name has the property of last name and first name.
Address inherits from Name, and has additional property of street number, street name, city, state, zipcode.
That seems different from the other cases, where
Cat inherits ...
Started by Jian Lin on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
But for cases when indeed every entity of Address class also has the same properties as Name class inheritance is acceptable....
Be perhaps more elegant to have a composite class Person that has member variables of types Name and Address.
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What is the difference between business class and domain class? What is meant by persistent classes?
What is the difference between business class and domain class? What is meant by persistent classes?
Started by sevugarajan on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
It can be the same as the domain ....
A business class is one that your application works with.
A database) to an in-memory object.
It is typically used to map data from your data store (e.g .
A "domain" class is one that models your data.
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I am befuddled why this is allowed
public class Foo { class Bar extends Foo { } }
Yet this is not allowed
public class Foo { class Bar extends Foo { } class Fooey extends Bar { } }
The compiler informed that it can not reference Fooey.this before supertype...
Started by sal on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
I guess the JLS and the answers to this question are a starting point
Java inner class and static nested class
Inner Classes and Enclosing Instances
First of all: Don't do this sort of thing is usually a good thing in my book (unless....
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Consider this Java code
class A{ //@returns Class object this method is contained in // should be A in this case public Class<?> f() { return getClass(); } } class B extends A {} B b = new B(); System.out.println(b.f()); //output -- B.class (Wrong...
Started by Mike on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
The only issue that comes up is if you refactor the name of the class and another you didn't want to mention A.class ....
It if you need to return class }
You can use
class.getMethod("f",parameterTypes).getDeclaringClass the runtime value.
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Sorry for the bad title, but I couldn't think of a better one.
I'm having a class A and a class B which is kind of a sub class of A, like so:
(Is there actually a correct name for it? Isn't "sub class" reserved for inheritance?)
class A { int i = 0; class...
Started by codethief on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Additionally, B does not hold an instance of A, so:
class A { public class B { public A Parent; public B(A parent) { this.Parent = parent; } } }
Now your B class has a field....
To Java.]
B is an inner class, not a subclass of A.
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I have a class as follows:
private class LanePair { public int cameraNumber; public Nest nest1, nest2; public LanePairStatus status = LanePairStatus.TIMER_OFF; Timer timer = new Timer(); public LanePair(int cameraNunber, Nest nest1, Nest nest2) { this...
Started by FallSe7en on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
But your anonymous class can't exist wihtout an instance of LanePair , that instance is referenced java.util.TimerTask; public class Test { public void doAskForLaneClear(LanePair lanePair){ //Action of lanePair } private class....
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Class Base { public: virtual void foo() {} }; class Derived: public Base { public: virtual void foo() {} }; int main() { Base *pBase = NULL; Base objBase; Derived objDerived; pBase = &objDerived; pBase->foo(); /*Here Derived class foo will be called...
Started by coolcake on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
PBase->Base::foo()
You can do it through scope resolution operator ::
Something like this:
pBase->Base::foo()
Both responses above are correct...But be careful, if you need to do that, maybe you have a big problem about the conception or the design... .
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