Recent questions in Object Oriented Programming / GATE Overflow for GATE CSE

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1 answer

21

UGC NET CSE | December 2004 | Part 2 | Question: 15
Polymorphism means : A template function Runtime type identification within a class hierarchy Another name for operator overloading Virtual inheritance

Polymorphism means :A template functionRuntime type identification within a class hierarchyAnother name for operator overloadingVirtual inheritance

go_editor

789 views

go_editor asked Mar 26, 2020

0 votes

4 answers

22

UGC NET CSE | January 2017 | Part 3 | Question: 37
Abstraction and encapsulation are fundamental principles that underlie the object oriented approach to software development. What can you say about the following two statements? Abstraction allows us to focus on what something does without considering the ... I nor II is correct Both I and II are correct Only II is correct Only I is correct

Abstraction and encapsulation are fundamental principles that underlie the object oriented approach to software development. What can you say about the following two stat...

go_editor

4.0k views

go_editor asked Mar 24, 2020

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6 answers

23

UGC NET CSE | January 2017 | Part 3 | Question: 39
Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100)x = CBSE (x+10); return (x-1); } public static void main(String[]args){ System.out.print(First.CBSE(60)); } } What does this program print? $59$ $95$ $69$ $99$

Consider the following JAVA program:public class First { public static int CBSE (int x) { if (x < 100)x = CBSE (x+10); return (x-1); } public ...

go_editor

2.0k views

go_editor asked Mar 24, 2020

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3 answers

24

UGC NET CSE | January 2017 | Part 3 | Question: 40
Which of the following statement(s) with regard to an abstract class in JAVA is /are TRUE ? An abstract class is one that is not used to create objects An abstract class is designed only to act as a base class to be inherited by other classes Only I only II Neither I nor II Both I and II

Which of the following statement(s) with regard to an abstract class in JAVA is /are TRUE ?An abstract class is one that is not used to create objectsAn abstract class is...

go_editor

9.8k views

go_editor asked Mar 24, 2020

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3 answers

25

UGC NET CSE | January 2017 | Part 2 | Question: 11
Which of the following cannot be passed to a function in C++? Constant Structure Array Header file

Which of the following cannot be passed to a function in C++?ConstantStructureArrayHeader file

go_editor

2.4k views

go_editor asked Mar 24, 2020

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3 answers

26

UGC NET CSE | January 2017 | Part 2 | Question: 12
Which one of the following is correct for overloaded functions in $C++$? Compiler sets up a separate function for every definition of function. Compiler does not set up a separate function for every definition of function. Overloaded functions cannot handle different types of objects. Overloaded functions cannot have same number of arguments.

Which one of the following is correct for overloaded functions in $C++$?Compiler sets up a separate function for every definition of function.Compiler does not set up a s...

go_editor

1.8k views

go_editor asked Mar 24, 2020

0 votes

3 answers

27

UGC NET CSE | January 2017 | Part 2 | Question: 14
Which of the following operators cannot be overloaded in $\textsf{C/C++}$ ? Bitwise right shift assignment Address of Indirection Structure reference

Which of the following operators cannot be overloaded in $\textsf{C/C++}$ ?Bitwise right shift assignmentAddress ofIndirectionStructure reference

go_editor

2.1k views

go_editor asked Mar 24, 2020

0 votes

1 answer

28

KPGCET-CSE-2019-7
The diagramming language suitable for object-oriented paradigm is Data Flow Diagramming Language Entity-Relationship Language Object-Oriented Language Unified Modeling Language

The diagramming language suitable for object-oriented paradigm isData Flow Diagramming LanguageEntity-Relationship LanguageObject-Oriented LanguageUnified Modeling Langua...

gatecse

1.1k views

gatecse asked Aug 4, 2019

0 votes

1 answer

29

KPGCET-CSE-2019-10
Object-oriented paradigm is used in the analysis stage of SDLC to Structure the behavioural part of the business process Design the structural part of Computer memory Design the object-oriented programming language Design the structure of the database.

Object-oriented paradigm is used in the analysis stage of SDLC toStructure the behavioural part of the business processDesign the structural part of Computer memoryDesign...

gatecse

774 views

gatecse asked Aug 4, 2019

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0 answers

30

KPGCET-CSE-2019-11
The signature of the object method clause present in class diagram contains All definitional attributes of the class used in the method All referential attributes of the class/es used in the method All definitional attributes of related classes All attributes of related classes

The signature of the object method clause present in class diagram containsAll definitional attributes of the class used in the method All referential attributes of the c...

gatecse

361 views

gatecse asked Aug 4, 2019

1 votes

1 answer

31

UGC NET CSE | June 2019 | Part 2 | Question: 24
Consider the following C++ function f(): unsigned int f(unsigned int n) { unsigned int b=0; while (n) { b+=n & 1; n>>1; } return b; } The function f() returns the int that represents the ____P____ in the binary representation of positive integer n, where P is number of $0$’s number of bits number of consecutive $1$’s number of $1$’s

Consider the following C++ function f():unsigned int f(unsigned int n) { unsigned int b=0; while (n) { b+=n & 1; n>>1; } return b; }The function f() returns the int that ...

Arjun

2.4k views

Arjun asked Jul 2, 2019

0 votes

0 answers

32

GSET 2018(Gujarat State Eligibilty Test ) CS & IT
In C++ and java which of the following features is not essential for polymorphic behaviour of programs? A) Inheritance B) Method overriding C) Method overloading D) Encapsulataion The question was asked in GSET 2018(Gujarat State Eligibilty Test ). According to the answer key , Option C is correct, but How? Isn't Method overloading a

In C++ and java which of the following features is not essential for polymorphic behaviour of programs?A) InheritanceB) Method overridingC) Method overloadingD) Encapsul...

sherlock_john

242 views

sherlock_john asked Oct 13, 2018

1 votes

6 answers

33

UGC NET CSE | July 2018 | Part 2 | Question: 5
Given below are three implementations of the $\text{swap()}$ function in $\text{C++}$ ... $\text{(a)}$ only $\text{(b)}$ only $\text{(c)}$ only $\text{(b)}$ and $\text{(c)}$ only

Given below are three implementations of the $\text{swap()}$ function in $\text{C++}$ :$\begin{array}{|l|l|l|} \hline \qquad \qquad \text{(a)} & \qquad \qquad \text{(b)}...

Pooja Khatri

4.7k views

Pooja Khatri asked Jul 13, 2018

0 votes

3 answers

34

UGC NET CSE | July 2018 | Part 2 | Question: 6
In Java, which of the following statements is/are TRUE? S1: The final' keyword applied to a class definition prevents the class form being extended through derivation S2: A class can only inherit one class but can implement multiple interfaces S3: ... called method overloading Code: S1 and S2 only S1 and S3 only S2 and S3 only All of S1, S2 and S3

In Java, which of the following statements is/are TRUE?S1: The ‘final’ keyword applied to a class definition prevents the class form being extended through derivation...

Pooja Khatri

3.6k views

Pooja Khatri asked Jul 13, 2018

0 votes

0 answers

35

self doubt
If vtable is array vtable [] = {funptr1,funptr2,funptr3}; than how did its size is 4 bytes (64 bit compiler)

If vtable is array vtable [] = {funptr1,funptr2,funptr3}; than how did its size is 4 bytes (64 bit compiler)

kd.....

222 views

kd..... asked Jun 3, 2018

0 votes

0 answers

36

self doubt:- c++
Please explain the working of this code:- #include<iostream> using namespace std; class Base { public: int x; Base():x(10){} ~Base(){} }; class Derived:public Base { public: int y; Derived():y(20){} ~Derived(){} }; int main() { Base bobj,*bptr; ... (Derived*)&bobj; cout<<dptr->x<<endl; cout<<dptr->y<<endl; } Output:-10 10 0 [Finished in 2.7s]

Please explain the working of this code:- #include<iostream using namespace std; class Base { public: int x; Base():x(10){} ~Base(){} }; class Derived:public Base { publi...

kd.....

281 views

kd..... asked May 12, 2018

3 votes

2 answers

37

ISRO2018-43
Consider the following C++ program int a (int m) {return ++m;} int b(int&m) {return ++m;} int{char &m} {return ++m;} void main() { int p = 0, q=0, r = 0; p += a(b(p)) ; q+= b(a(q);) r+=a(c(r)); cout<<p<<q << r; } Assuming the required header first are already included, the above program results in compilation error print $123$ print $111$ print $322$

Consider the following C++ programint a (int m) {return ++m;} int b(int&m) {return ++m;} int{char &m} {return ++m;} void main() { int p = 0, q=0, r = 0; p += a(b(p)) ; q+...

Arjun

3.8k views

Arjun asked Apr 22, 2018

1 votes

0 answers

38

Programming in c plus plus
Give a simple example on inheriting the operator function and using it in programme

Give a simple example on inheriting the operator function and using it in programme

anonymous

260 views

anonymous asked Apr 22, 2018

0 votes

0 answers

39

c++ type conversion
why did in conversion of class to basic the type conversion operator does not have return type and argument as void

why did in conversion of class to basic the type conversion operator does not have return type and argument as void

kd.....

287 views

kd..... asked Apr 10, 2018

1 votes

0 answers

40

Operator overloading
On overloading pre increment and post increment why compiler taking dummy value only for post increment and not in pre increment

On overloading pre increment and post increment why compiler taking dummy value only for post increment and not in pre increment

kd.....

386 views

kd..... asked Apr 6, 2018

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