11 Answered Questions for the topic Inheritance
03/29/21
I am getting an error that constructor "cannot be applied to given types"
Given this code:Main.java
class Main {
public static void main(String[] args) {
SpecificThing mine = new SpecificThing();
System.out.println(mine.double_my_number());
...
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02/07/21
Inheritance in java
There were Pandavs and Kauravs. Arjun and Bheem were Pandavs. Duryodhan was a Kaurav. Pandavs were characterized by their skills of fighting (fight ( )), obedience (obey ( )), and kindness (kind (...
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11/23/20
Biology College question
In 40% of cases of retinoblastoma, a predisposition to developing the cancer is inherited (as in the pedigrees above). However, in 60% of cases of retinoblastoma, the cancer occurs sporadically...
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07/19/19
Partially Overriding a Virtual Auto-Property in a Child Class?
Time for a theoretical question I just ran across.The following code is valid and compiles: public class Parent { public virtual object TestProperty { get; set; } } public class...
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07/03/19
Prefer composition over inheritance?
Why prefer composition over inheritance? What trade-offs are there for each approach? When should you choose inheritance over composition?
Python class inherits object?
Is there any reason for a class declaration to inherit from ``object``?I just found some code that does this and I can't find a good reason why. class MyClass(object): # class code...
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What are the differences between type() and isinstance()?
What are the differences between these two code fragments?Using `type()`: import types if type(a) is types.DictType: do_something() if type(b) in types.StringTypes: ...
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06/07/19
Test whether a Ruby class is a subclass of another class?
I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that. class A end class B < A end B.is_a? A => false ...
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Understanding Python super() with __init__() methods?
I'm trying to understand the use of `super()`. From the looks of it, both child classes can be created, just fine. I'm curious to know about the actual difference between the following 2 child...
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03/18/19
Why couldn't bastards inherit titles?
Why were bastards historically not able to inherit nobility or monarchy from their parents? What about being a bastard made one unfit to rule? For example William IV of the UK was succeeded by his...
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3 Part Ratio
Hi, I need help with this problem, I'm unsure of how to set it up, or solve it. My book says: "An inheritance of $5,000 is to be divided by 3 men in a ratio of 5:3:2. How much will each man...
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