All Questions
Tagged with inheritance methods
579
questions
1
vote
1
answer
42
views
Inherit override-equivalent as different methods
Several methods from interface, super class or new method are override equivalent. I need to make different realization for each. Example:
public interface A {
int f();
}
public interface B {
...
- 15
0
votes
1
answer
58
views
Provide implementation for an abstract method from an interface
Is it possible to override a method implementation by deriving from an interface which gives a default implementation for that method? If not, how should I restructure my code to avoid explicit method ...
-3
votes
2
answers
110
views
Does anyone know why I am receiving the error: Cannot implicitly convert type 'void' to 'string'? [closed]
I know the problem has something to do with the nested WinOrlose() method within the PlayGame() method, however not sure where to go from here.
Random random = new Random();
// ... (irrelevant code ...
-2
votes
1
answer
114
views
What methods inherited from the Object class should usually be overridden?
I know that equals(), hashCode(), and toString() are three methods most classes should have overridden for that class and it's specific usage, but are there others I should be adding to my classes, ...
- 33
0
votes
2
answers
49
views
Pass the child class name as an argument of inherited class method
how are you doing?
I'm not facing a problem exactly, but I want to improve the code and I don't know how. The 'problem' is:
I have a parent class:
class Utils:
@staticmethod
def jsonFromDict(...
0
votes
0
answers
43
views
How to check whether an instance of a superclass is a subclass [duplicate]
I am working on a school project that involves a parking lot. Our 'parking lot' contains a 10x10 grid and each space can either contain a vehicle, or be empty.
I have a superclass of vehicles and ...
- 21
0
votes
2
answers
99
views
Golang - Reusing custom composable methods from structs around map type
In the example shown on the image, I expected method Put to apply on MappingStringInt since it is composed from Mapping. However, this is not the case.
If Mapping was composed with type struct, method ...
- 9
-1
votes
1
answer
63
views
Method is undefined for type "subclassName"
I have three classes named Matrix, BasicOperations and Determinant in the same package.
I want to define separate methods in separate classes (for example, methods related to finding determinants ...
- 150
6
votes
2
answers
168
views
Python method overriding - more specific arguments in derived than base class
Let's say I want to create an abstract base class called Document. I want the type checker to guarantee that all its subclasses implement a class method called from_paragraphs, which constructs a ...
- 61
0
votes
0
answers
75
views
Groovy 4 trait: MissingMethodException on calling existing static method during runtime
In trait (after upgrading to Groovy 4.0.8 from 2.5) MissingMethodException is thrown inside method called from closure.
Groovy Console
TestClass.getLevel1() // run test
class TestClass implements ...
- 11
0
votes
1
answer
34
views
Issue with Inheritance in Python - Unable to Access Parent Class Method
I'm currently working on a Python project where I'm using inheritance to create a base class and a derived class. However, I'm encountering an issue when trying to access a method from the parent ...
0
votes
1
answer
79
views
Every method should start with the same thing
I'm working with an interface, handling incoming messages.
The definition of that interface looks as follows:
public interface IMessageHandler<TMessage> where TMessage : ...
{
void Handle(...
- 17.2k
0
votes
1
answer
39
views
Python inheritance issues
I have a class Person which contains a number of attributes, one of which is an inventory attribute:
class Person:
def __init__(self):
#Private Attributes
self....
- 23
0
votes
0
answers
54
views
Golang: calling methods of embedded types
I'm using the Golang 1.20 compiler and there is a strange behavior related to type embedding which I do not understand.
In one first package called graphutil, I created a Graph type structure, with ...
- 319
1
vote
2
answers
1k
views
Why am I getting the error 'Main method not found in class' even though I defined the main method in my Java program with inheritance? [duplicate]
package code.now;
class Test {
public void fun() {
System.out.println("Coding Ninjas");
}
}
class Derived extends Test {
public void fun() {
System.out....
- 39