1. What is inheritance in Java? Inheritance in Java is a mechanism where a subclass derives properties and behaviors from a parent class, allowing for code reuse and hierarchical structuring. You can read more about inheritance in this tutorial onInheritance in Java. 2. What are the types of ...
C# does not supportmultiple inheritance, because they reasoned that adding multiple inheritance added too muchcomplexityto C# while providing too little benefit. In C#, the classes are only allowed to inherit from a single parent class, which is calledsingle inheritance. But you can use interfaces ...
Java supports multilevel inheritance. In multiple, multilevel class hierarchies contain the layers of inheritance. But at each layer, a class is a subclass of the superc1ass of another, except the last layer. One pictorial representation of such concept
Multilevel inheritancerefers to a mechanism in OO technology where one can inherit from a derived class, thereby making this derived class the base class for the new class. As you can see in below flow diagram C is subclass or child class of B and B is a child class of A. For more ...
62. In which type of inheritance does one class act as a superclass for more than one sub-class?Hybrid inheritance Multiple inheritances Hierarchical inheritance Multilevel inheritanceAnswer: C) Hierarchical inheritanceExplanation:In Hierarchical inheritance one class act as a superclass for more than...
OOPs Concept and Features Objects and Classes in OOPs Constructors and Destructors Access Specifiers Class Members Member Functions Inheritance and its Types Exception Handling Objects and Pointers Memory Allocation and Variable Scope Overloading Inbuilt Classes Basics of PHP Arrays and Functions in PHP ...
10. Which of the following is not an OOPS concept in Java? a) Polymorphism b) Inheritance c) Compilation d) Encapsulation View Answer 11. What is not the use of “this” keyword in Java? a) Referring to the instance variable when a local variable has the same name ...
21. Which of the following OOPs concepts are supported in C++?Inheritance Encapsulation Abstraction PolymorphismOpation:1 and 2 1, 2, and 3 1, 2, and 4 All 1,2,3,4Answer: D) All 1,2,3,4Explanation:C++ supports the following OOPS concept:...
The concepts of OOPs are:Class Object Method Polymorphism Inheritance Encapsulation AbstractionDiscuss this Question 9. Method in Perl is?Time savers User to reuse code w/o retyping the code Collections of statement that perform specific tasks All of these...
Using . operator Using direct name call by other methods of the same class Using inheritance All of theseAnswer: D) All of theseExplanation:All of the above-mentioned methods can be used to invoke a method in Scala.Discuss this Question ...