Q&A Discussions

Anyone having study material to prepare Java developer interview. Thanks in advance.. 🙏🤗

28th Oct 2016, 11:43 AM

Victor Ogudu

eclipse inheritance java oop polymorphism sql

0 Votes

What is the difference between extending ( inheriting) a class and importing a class from package

22nd Sep 2020, 8:03 PM

Prasad Dhage

cpp difference extending import inheritance java oop python

2 Votes

animation inheritance javascript python python3 regular-expressions ruby sololearn while

28th Jul 2020, 5:34 AM

Ayush Pandey

What is $ ?

0 Votes

Complete the while loop that continuously takes the weapon of choice from user input and call the corresponding object's method

27th Apr 2018, 7:12 AM

Amber Gupta

classes inheritance methods python python3

0 Votes

What is super and sub class and derived and base class

2nd Jun 2021, 6:42 PM

Akash Sharma

c c++inheritance java python3

0 Votes

Si tengo una clase A con un metodo publico que accede al atributo privado x,la clase B al heredar de A¿el atributo x es heredao?

5th May 2020, 4:07 PM

Abhay

c++classes inheritance methods objects

1 Vote

6th Sep 2017, 12:09 AM

Carlos Castillo

What am i doing wrong?

c#classes cs inheritance objects oop

0 Votes

Why, using same String name variable in every class gives the name null except the last child class ( cinematographer)?

29th Dec 2018, 4:00 PM

mordorminer

childclass derivedclass inheritance java parentclass string superclass variables

0 Votes

Is there any language where you can put classes (not objects) in containers?

12th Mar 2020, 2:50 PM

Rohan c

classes containers efficiency inheritance oop

0 Votes

Thread class vs Runnable interface

21st Aug 2018, 4:13 PM

Alex Chindriș

classes inheritance interfaces java threads

1 Vote

can anybody tell me what im doing wrong here?

8th Nov 2016, 12:47 PM

Islay

c++inheritance pointers protected reference value

0 Votes

How do we make dounn program print both Grr and Meow??

7th Feb 2019, 1:32 PM

sina

code codeplayground inheritance inner-classes java javascript

0 Votes

Is it possible to access private methods from another class in java without using reflection api?

18th Aug 2018, 8:56 AM

Jinyoongisaranghe

classes encapsulation inheritance java methods oop private public reflection

0 Votes

Can anyone gave me an idea of a java program that uses the four pillars of java.

17th Oct 2019, 5:57 AM

viki

abstraction encapsulation inheritance java polymorphism

-1 Vote

How the C++ polimorphism work with pointers?

4th May 2022, 10:53 AM

Nielark

c++inheritance memory pointers polymorphism

0 Votes

Please help me. Why the output is like such?

17th Mar 2017, 3:12 PM

‫ברוך רוטקוף‬‎

classes inheritance methods objects oop php visibility

1 Vote

In Inheritance, does base class is dumped into derived class or reference address of base class is created in derived class?

19th Oct 2021, 10:05 AM

Santosh Pattnaik

base c++classes coding derived inheritance java oops python3

0 Votes

How can I share a template class to inherit classes in nested packages?

30th Jan 2022, 3:44 AM

Pardha Saradhi

class file inheritance module package project python seb_the_s structure template

2 Votes

adt c++c++!!!compilation_error compiler inheritance oop void why!?

8th Jun 2020, 12:39 PM

Seb TheS

Compilation error

0 Votes

5 Answers

20th Jan 2019, 9:32 PM

mei

What are the commands to copy an object in Python?

classes codeplayground comments constructors encapsulation error inheritance polymorphism python3 sololearn

1 Vote

What is the Difference between Scanner class and BufferReader class ?

27th Apr 2020, 7:09 AM

Siddhant

abstract-classes classes files inheritance input instance iostream threads

2 Votes

Are protected members accesible from the base class and the derived class or only from the derived class?

18th Jan 2017, 10:01 AM

amit umbarkar

base c#class classes derived inheritance members protected

1 Vote

fields inheritance java methods polymorphism static virtualmethods

10th Jan 2017, 2:53 PM

Enrique de la Cal

It dawned on me! #3

1 Vote

Menu Driven Program in C#

2nd Feb 2018, 8:43 AM

Dmitriy Yurkin

c#consoleprogram constructors inheritance menu-driven schooldb simple

0 Votes

Data Members and Member functions

24th Oct 2017, 11:56 AM

Anoopdaniel Thomas

c++class data-members inheritance member-functions polymorphism

-1 Vote

How to inherit class methods from template classes?

13th Dec 2017, 4:12 AM

Skanda Subramanyan

c++cpp inheritance objects oop templates

0 Votes

Cheapest way to learn Coding

25th Oct 2017, 6:23 PM

X-1

c++css html html5 inheritance java javascript python ruby

0 Votes

Battle Loop, Inheritance, Polymorphism etc

24th Dec 2017, 7:44 PM

ADESH RAI

c#cs inheritance messy object oop oriented polymorphism programming sloppy

1 Vote

Can anyone give an example where constructor of a class called but the instantiation of that class not happened?

18th Dec 2018, 2:38 PM

Okan Özbek

access-modifiers classes constructors extend inheritance java methods objects public super

0 Votes

Base Constructor in Derived Class

15th Jul 2018, 1:55 PM

Sumit Basu

c++class classes constructor debug help inheritance

0 Votes

I want to make a stock market app need help

4th Sep 2019, 6:21 PM

Seij Bailey

boolean-logic closures float if-statements inheritance loops python sololearn strings transform

-5 Votes

8 Answers

31st Oct 2016, 10:45 AM

code-junkie

classe animal has makesound function i.e grr..... nd classes cat and dog also have makesound function i.e meow nd woof respectively... due to inheritance classes cat and dog also have makesound function of animal class ie grr.... now my q is how compiler will know which function to execute is nt ds ambiguous??... two choices r dere.... 1 make sound function of animal class ie grr 2 make sound function of own like woof or meow.... any help would be really helpful....

java polymorphism

0 Votes

6 Answers

21st Aug 2016, 5:08 AM

Amandeep Singh

what is the need of abstract classes/interfaces if they contain no information or any description of any methods?

abstract-classes abstract-methods c#c++inheritance interfaces java

0 Votes

What are questions on OOP side of C++ that require code to be written?

15th Jan 2018, 3:17 PM

Atanu Sarkar

c++classes constructors destructors inheritance oop polymorphism virtual

1 Vote

Programadores C# Nicaragua - P.O.O

23rd Oct 2017, 1:25 PM

Bhavesh Gupta

abstract-classes c#certificate classes code encapsulation generics inheritance polymorphism

0 Votes

What is garbage collection in C++?

9th Oct 2017, 7:19 AM

Cesar A. Tapia

abstract array c++class collection garbage inheritance polymorphism

1 Vote

if the following Java code were to appear in a control program that used the classes A,B and C what would be the outputs

23rd Jul 2017, 4:54 PM

Umar Farouq Yusuf

classes control implements inheritance interface java once program twice

0 Votes

Are there any good class examples i can look at?

1st Jan 2018, 5:08 PM

Martin Toomey

abstract implement inheritance instance java nested static subclass superclass

1 Vote

Why we need to put const in front of array of string , dealing with enumeration. I want to convert from number enum to string

7th Sep 2017, 8:59 AM

D_Stark

bool c++const enum enumeration friend inheritance keyword return string

0 Votes