I've been working on an economy simulator in Java and ran into a roadblock. I have an Economy class that owns a vector of Traders. Every iteration, the Economy class calls ... |
I have a hierarchy of three interfaces, grandparent, parent and child. Parent and child have a method "add", which requires different input parameters in the child. While it's no problem to ... |
Referring here
A is a precompiled Java class (I also have the source file)
B is a Java class that I am authoring
B extends A.
How can logic be implemented ... |
(This is a hypothetical question for discussion, I have no actual problem).
Say that I'm making an implementation of SortedSet by extending LinkedHashMap:
class LinkedHashSortedMapThing extends LinkedHashMap implements SortedSet {
...
}
Now programmers who ... |
I have a class that extends a class that I need to overide, but I need to call that class's parent class. since I can't call super since that will execute ... |
Good morning,
I inherited some legacy code at work and it is using a rather unusual design pattern. The only reference I could find on the forums to a similar pattern was ... |
I have this child class AggressiveAlien and here is one method inside it
public boolean attack()
{
boolean attack;
if (currentLocation == this.AggresiveAlien.getCurrentLocation)
...
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I have a class (let's call it A) that is extended by several children class (B, C, D, etc.).
In each child class, there are specific methods that I'd like to ... |
Is it possible that different child classes have different visibilities to the methods of the parent. Suppose there is a class A which has 10 methods defined. It has two ... |
In reference to Java, I would like to statically know the class name of the current class. A is the parent class of B. I would like to have a static ... |
Given an class hierarchy:
A -> B -> C -> instanceOfC
is it possible (and how) to insert a class, temporarily, at runtime, like so:
A -> B -> B' -> C -> instanceOfC?
... |
Before you start reading I would like to clarify:
I have already thought of other designs and work arounds
I'm only interested in the problem I exposed and not "changing" it (so no ... |
If I have a subclass that has methods I've overridden from the parent class, and under very specific situations I want to use the original methods, how do I call those ... |
What's the proper convention to access ancestor and parent methods from down an inheritance chain?
For example, methodA() resides in the base ancestor class and methodB() resides in the parent class. If ... |
Ex
class A () {
class A(int a, int b) {
}
}
class B extends A {
int m;
int n;
class B()
...
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I inherited some legacy Java (1.4) code and this design decision appears regularly. I can't understand if there's any purpose or reason to it.
public interface SoapFacade extends iConfigurable{ }
public class SoapFacadeBase ...
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In Java, I have an abstract class with a method implemented (not abstract) which I want to be accessible by other classes which extend it, but not by everyone else in ... |
I was wondering why my child class isn't inheriting correctly.
if i had...
public class ArithmeticOp{
//some constructor
public static void printMessage(){
...
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Consider the following code snippet below.
class X {
public String toString() {
return "Hi";
}
}
public class Main {
...
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I have a parent interface and a child interface which objects will implement. I've made a child interface because I want a specific VehicleEntity object say Truck to add itself to ... |
I'm writing a game engine in Java for Android games and my engine handles collision detection for different shapes. Each shape is its own class (Square, Circle, etc.), and derives from ... |
I am working to build an abstract collection of classes that will help wrap a third-party tool. The tool uses class that act as datasources. I am trying to create the custom datasources that implement their required interfaces. In my original design, everything worked fine. However, I had to change to a different set of their interfaces to accomplish our requirements. ... |
Hi all, seems like I have to brush up my knowledge about inheritance. I'm stuck in this (simplified) situation: There is this third-party class that I want to use. class ThirdPartyTalker{ public void speak(){ System.out.print("Hi!"); } } Now I'd like to extend it and overwrite the speak method. class PartyHost extends ThirdPartyTalker{ public void speak(){ super.speak(); System.out.print(" I'm the host of ... |
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