综合开发

Enough to ignore the hierarchy of inheritances and the super super class call method

微信扫一扫,分享到朋友圈

Enough to ignore the hierarchy of inheritances and the super super class call method

Calling the super class subclass method in Objective C

My original question id here. Actually I need more clarification about this problem. Consider the following scenario: There are three classes in my project. Say A, B & C. These 3 classes have some common methods with them. So I created an another cla

How to resolve NullPointerException in an activity when calling the super class onCreate () method in Android

Hi Friends i have written an Activity like below. SplashScreen.java public class SplashScreen extends Activity { protected final int _splashTime = 4000; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWind

How does Runtime choose the method of invocation between the outer class method and the super class?

I have noticed following situation : Inner class is calling method which there is in super class of it and in outer class. Here the code: public class Main { class Inner extends InnerBase{ public void callMethod(){ method(); } } void method(){ System

How to modify the super class variables of the subclass in C ++?

I am new to OOPs, so I was trying to create a program implementing inheritance.Here I am accepting the values for width and height in the derived class.Is there any way to reflect the same value in the super class ie Rectangle also.?ie if iam inputti

Go to the super class property of a subclass

Say there’s a class Telephone with a public property PhoneType. I derive a class DigitalPhone from Telephone. How can I get access to the PhoneType property of the super class? I tried using MyBase, but it didn’t seem to work.Not sure about VB.NET bu

Statically initialize the super class variable in each subclass

I’d like to create an abstract super class, called Unit and give it a number of protected static fields, such as name, health, attackPower etc. public abstract class Unit { protected static String name; protected static int maxHealth; protected stati

In java, Can we overload a method by passing the subclass of the parameter used in the super class method?

As per the rule, while overriding a method in subclass, parameters cannot be changed and have to be the same as in the super class. What if we pass subclass of parameter while overriding method ? Will it be called as overloading or overriding? Based

How can I get a subclass value of the super class method in Java?

I have these two classes: Class A { public int max = 100; public int getMax() { return max; } } Class B extends A { public int max = 200; } I write the following code: A clsA = new A(); B clsB = new B(); valA = clsA.getMax(); valB = clsB.getMax(); va

Java – Can you access an Enum declared in the subclass of the Super class?

I was hoping to declare in Enum type in a subclass and then access it from the super class. This is what I came up with, but it does not work: class Subclass { enum Pets { CAT, DOG; } Class<Pets> getEnumClass() { return Pets.class; } } class Supercl

How to get the name of the super class in annotation processing

I run an annotation processor written by my self to generate some new java code based on annotated classes. Following is what i tried to get the super class name of a currently processed class. TypeMirror superTypeMirror = typeElement.getSuperclass()

Python accessing the super class variable in the child class

I would like to access the value of self.x in the child class. How do I access it? class ParentClass(object): def __init__(self): self.x = [1,2,3] def test(self): print ‘Im in parent class’ class ChildClass(ParentClass): def test(self): super(ChildCl

How does the object of the subclass access the super class private variable, as in java no, except that the class itself can access the private variable?

This is the pac.java file package P1; public class pac { int a; public int b; private int c; protected int d; public pac(){ a=1; b=2; c=3; d=4; } public void test(){ System.out.println(a); System.out.println(b); System.out.println(c); System.out.prin

What does the super-class builder mean here?

I came across this code while looking for exam prep questions. I don’t understand what is invoking the superclass constructor in this code? The output is —> feline cougar cc THL public class Feline{ public String type = “f “; public Feline(

Call of the super class constructor of the subclass

class Top { public Top(String s) { System.out.print(“B”); } } public class Bottom2 extends Top { public Bottom2(String s) { super(); System.out.print(“D”); } public static void main(String [] args) { Bottom2 as=new Bottom2(“A”

微信扫一扫,分享到朋友圈

Enough to ignore the hierarchy of inheritances and the super super class call method

The Importance of Unlearning Emerging Technologies

上一篇

Requiring a folder with index.js

下一篇

你也可能喜欢

评论已经被关闭。

插入图片

热门栏目

Enough to ignore the hierarchy of inheritances and the super super class call method

长按储存图像,分享给朋友