What is a constructor?

A constructor is methods which are used to create an Object of class.

Compare method and constructor?

Constructor: Used to initialize the instance of a class.Method: Used to perform some function or operation., ...

What are the instance and class variables?

nstance variable belongs to a particular instance of that class whereas Cla

The array is a container which holds the fixed number of similar data types

Inheritance is property in which the property of a parent class.

What is a singleton class?

Singleton class limits the number of objects created for a class to one but

What is polymorphism?

Polymorphism is the ability of an object to take on multiple forms.

An object is an instance of a class. For exampleclass Abc

A class contains methods and variables associated with an instance of a cla

A file is a named location which stores data or information permanently.

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Computer Science

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these questions will be on computer science and the basics on it and it will be the basics of computer science.

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Answers

1
What is a constructor?
A constructor is methods which are used to create an Object of class.
Constructors do not have return types while methods do.
In class-based object-oriented programming
2
Compare method and constructor?
Constructor: Used to initialize the instance of a class.Method: Used to perform some function or operation.
Constructor: Used to initialize the in
...
Java is a pure OOPS concept based programming language.
3
What are the instance and class variables?
nstance variable belongs to a particular instance of that class whereas Cla
object is created
Class variables also known as static variables are declared with the static
4
What is an array?
A fish
A disk
The array is a container which holds the fixed number of similar data types
A container that holds a single value.
5
What is inheritance?
Where you adopt a child.
Inheritance is property in which the property of a parent class.
Where it runs through the family
6
What is a singleton class?
Where you learn.
What gets taught
Singleton class limits the number of objects created for a class to one but
What is life.
7
What is polymorphism?
Polymorphism is the ability of an object to take on multiple forms.
Is a multi room.
Polymorphm is the ability of an object to take on multiple forms.
8
What is an object?
An object is sound which produces electromagnetic force fields to create.
An object is an instance of a class. For exampleclass Abc
An object is a soil.
An object is what you pick up.
9
What is a class?
A class is where you have yoga lessons.
A class is where you teach students.
A class contains methods and variables associated with an instance of a cla
A class is where you learn new things.
10
What is a file?
A file is a named location which stores data or information permanently.
A file is named for locations for stuff.
A file is where you save stuff.

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