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programming languages Online Quiz - 264

Description: programming languages Online Quiz - 264
Number of Questions: 20
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Tags: programming languages
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What will be the output of the following program : void main() { printf("%d",sizeof(integer)); }

  1. 2

  2. 4

  3. Compile-Time Error

  4. None of the above


Correct Option: C

What will be the output of the following program : void main() { printf("%f",123.); }

  1. 123

  2. Compile-Time Error

  3. 123.00

  4. 123.000000


Correct Option: D

What will be the output of the following program : void main() { int i, n =10; for (i=1; i

  1. 84

  2. 840

  3. 852

  4. 864


Correct Option: C

What will be the output of the following program : void main() { int val=2; val = - --val- val--- --val; printf("%d",val); }

  1. Compile-Time Error

  2. 3

  3. -1

  4. 0


Correct Option: C

What will be the output of the following program : void main() { int val=5; void ptr; *(int *)ptr=5; val=ptr; printf("%d %d",(int )val,(int *)ptr); }

  1. Compile-Time Error

  2. Unpredictable

  3. 5 5

  4. None of the above


Correct Option: C

What will be the output of the following program : void main() { int a=5,b=6; Printf("%d %d %d",a,b,--a*++b); }

  1. Compile-Time Error

  2. 5 6 30

  3. 4 7 28

  4. None of the above


Correct Option: C

What will be the output of the following program : void main() { int val=50; void ptr; ptr=&val; printf("%d %d",val,(int *)ptr); }C

  1. Compile-Time Error

  2. 50 50

  3. 50 0

  4. None of the above


Correct Option: B

What will be the output of the following program : #define Swap if (a != b) { \ temp=a; \ a = b; \ b = temp; \ //Swapping Done } void main() { int a=10,b=5,temp; Swap; printf("a=%d a=%d",a,b); }

  1. Compile-Time Error

  2. a=5 b=10

  3. a=10 b=5

  4. None of the above


Correct Option: A

Which of the below methods in Java is not used with threads

  1. wait()

  2. run()

  3. Sleep()

  4. begin()


Correct Option: D

Which of the following pairs is not supported in Java

  1. Multiple Inheritance and Overloading

  2. Operator Overloading and Overriding

  3. Multiple Inheritance and Operator Overloading

  4. Pointers and Single Inheritance


Correct Option: C

Can a static variable be Serialized

  1. True

  2. False


Correct Option: B

A colloboration diagram can express both structural and behavioural aspects of a system

  1. True

  2. False


Correct Option: A

A deployment diagram does not address a static view of a system

  1. True

  2. False


Correct Option: B

When creating Use cases,the mapping between external event and Goal can be N:1

  1. True

  2. False


Correct Option: A

which of the following statements are true about use cases ?

  1. Use cases cannot be traced to a goal

  2. Use cases can be traced to atleast one goal

  3. Use cases are always traceable to multiple goals

  4. Use cases are not object oriented


Correct Option: B,D

Wrong pair of symbol-visibility scope ?

  1. +public

  2. #protected

  3. !package

  4. -private


Correct Option: B

Symbol for a component inside a deployment diagram?

  1. Components are not allowed in deployment diagrams

  2. A rounded rectangle, just like a state in a state diagram

  3. A 3-dimensional rectangular solid (like a box)

  4. A rectangle with tabs on its left side


Correct Option: D

Advantage of using polymorphism in class diagrams is a reduction of

  1. methods in the associated classes

  2. subclasses needed to accomplish the same functionality

  3. case statements and conditionals

  4. coupling between classes in the system


Correct Option: C

Which of the following statement is correct?

  1. Classes in class diagrams may be grouped into packages in order to illustrate the overall organization of a model

  2. In object diagrams, names of instances are in italics or all-caps

  3. If package B depends on package A, then any change in A will require a change in B

  4. Object diagrams and class diagrams are completely interchangeable


Correct Option: A

Which conversion is not possible?

  1. int to float

  2. float to int

  3. char to float

  4. All are possible


Correct Option: D
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