Posts by Duds • 6,726 points
78 posts
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24
votes2
answers17491
viewsQ: What does software scalability mean?
I hear a lot if I talk about what software needs to have scalability in applications. Searching on the subject, I found the following definition: Meaning of Scalability: In software engineering,…
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17
votes2
answers5548
viewsQ: In OOP, can an interface have attributes?
Is it possible for an interface to have attributes? If not possible, why not?
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12
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answer1740
viewsQ: What are the differences between the concepts of polymorphism and superscript in OOP?
I was a little confused when researching polymorphism. The concept of polymorphism resembles the concept of superscript. What are the differences between polymorphism and superscript in OOP?
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12
votes3
answers637
viewsQ: Is it correct to state which interface solves the multiple inheritance problem in Java?
It is known that Java does not support multiple heritages. Is it correct to say that the interface concept solves the multiple inheritance problem in Java? If so, why?
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2
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answer210
viewsQ: What is the purpose of modifying protected access in Java? In what situations should I use it?
Regarding access modifiers in Java, what is the purpose of the modifier protected? What is its purpose in practice?
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11
votes1
answer5003
viewsQ: Is it correct to create a constructor method in an abstract class?
If an abstract class cannot be instantiated, can creating a constructor method for this abstract class be regarded as good practice or not? If so, why are we creating the implementation of this…
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8
votes1
answer716
viewsQ: Should I extend from an abstract class or a concrete one?
When I need to extend a class, following the concept of Object Orientation, should I extend my code from an abstract class or an abstract class? What is the best practice to join?
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13
votes4
answers570
viewsQ: Extend x Superscript, what’s the difference?
Researching on concepts of Object Orientation, I came across the following comparative, Extend (Heritage) versus Superscript. I found the following statement for this comparative: Extend: When we…
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8
votes4
answers3477
viewsQ: Principle of Delegation, what is it?
What Means Delegation Principle in Object-Oriented Programming? After some research, I found a definition about this principle: Principle of Delegation: way to make the composition as powerful for…
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11
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answers579
viewsQ: Programming for the interface means programming for a super-type, why?
When we program facing an interface, does it involve programming for a super-type? What is the meaning of this?
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36
votes6
answers34111
viewsQ: What is and what is an abstract class for?
In object orientation, what is the meaning of an abstract class? What is its purpose?
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20
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answers10490
viewsQ: What is the difference between Association, Aggregation and Composition in OOP?
On relationships between classes, what is the difference between Association, Aggregation and Composition?
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64
votes1
answer5474
viewsQ: Programming facing the interface and not the implementation, why?
What are the main reasons (in practice) that lead developers to apply the practice of developing for interface and not for implementation?
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13
votes1
answer1710
viewsQ: Exchange messages between objects, what does it mean?
What is the term message exchange between objects in Object-Oriented Programming?
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0
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answers3513
viewsQ: How to run an application with Database on Android?
I’m starting my activities in the mobile world, and would like to build an application that uses Database for Android platform, an example application so I can move forward, I looked on the internet…
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0
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answers136
viewsQ: How to configure JSF in Eclipse JEE?
I’m starting my JSF studies, how can I set my environment to start with JSF in Eclipse JEE? What I need to install add-on?
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1
votes1
answer51
viewsQ: How to list all Browsers installed on Android?
How do I list/check all browsers installed on an Android device via Java?
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5
votes1
answer1579
viewsQ: Problem with log4j configuration
How do I configure the properties of log4j? In my application, I am receiving the following message: log4j:WARN No appenders could be found for logger (org.docx4j.jaxb.Context). log4j:WARN Please…
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3
votes2
answers3840
viewsQ: How to use dll in Java
How do I include files dll in a Java project using Eclipse?
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1
votes1
answer1576
viewsQ: How to access the Serial port of a computer in Java?
How do I access/control a Serial Port through Java? Currently I was able to access in C++, but in Java I don’t know how to do. Any suggestions?
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2
votes1
answer4413
viewsQ: How do I change a java desktop application icon in Eclipse?
You can change the icon of a java desktop application in eclipse instead of the default icon?
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5
votes1
answer727
viewsQ: How to create a value pair within a Java Map
It is possible to create a Map in Java using the concept of pair that exists in C++? I have tried to use it in the form below, however, I cannot assign values to my map. Map<String,…
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3
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answers1207
viewsA: Replace values inside string
In this code, there is the possibility for the user to insert the string to be searched for in the default phrase (contents of the Sword string variable) and the user can also insert the height…
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2
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answer168
viewsQ: What does Runtime dependencies of Objects mean?
What is the meaning of Runtime dependencies of Objects in object-oriented programming? I came across this question by studying C++.
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3
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answer1943
viewsA: Assertion error Failure: "(!"Setthreadcontext failed")" in .. win32src thread32.cpp at line 434
I managed to solve the problem by searching a little more on the internet found that the . dll bordbk120N.dll has a bug when it runs on the Win7 x64 platform for this version 2009 and earlier. To…
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1
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answer1943
viewsQ: Assertion error Failure: "(!"Setthreadcontext failed")" in .. win32src thread32.cpp at line 434
I am compiling my C++ project in Codegear 2009 from Embarcadero, and when I start debugging my program this message appears: bds.exe - bordbk120N.dll Assertion Failure: "(!"Setthreadcontext…
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2
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answers4833
viewsQ: How to receive a char pointer via keyboard in C/C++?
How do I receive a pointer from char keyboard?
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17
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answers40473
viewsQ: How to create a vector of variable size?
In C language, it is possible to create a vector of any type so that its size is variable? If possible, how to do?