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programming languages Online Quiz - 104

Description: programming languages Online Quiz - 104
Number of Questions: 20
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Tags: programming languages
Attempted 0/20 Correct 0 Score 0

What is the value of y at the end of main? const int x = 5; int main(int argc, char** argv) { int x[x]; int y = sizeof(x) / sizeof(int); return 0; }

  1. 0

  2. 5

  3. undefined

  4. 2


Correct Option: B

what is the output of the programme? #define ABC 20 #define XYZ 10 #define XXX ABC - XYZ void main() { int a; a = XXX * 10; printf("%d ", a); }

  1. 20

  2. 10

  3. 100

  4. -80


Correct Option: D

What is the result Integer i1=10; Integer i2=10; (i1==i2)-->result of this

  1. True

  2. False


Correct Option: A

What is the result os this String s1="hi"; String s2="hi"; (s1==s2)-->returns

  1. true

  2. false

  3. compilation error

  4. exception thrown at runtime


Correct Option: A

Integer i1=10; Integer i2=10; (i1.equals(i2++))-->result is

  1. true

  2. false

  3. compilation error

  4. exception thrown at runtime


Correct Option: B
  1. Language Integrated Query

  2. Language Independent Query

  3. Language Interrelated Query

  4. None of the above


Correct Option: A

Features of LINQ

  1. Querying of in-memory collections

  2. Abstraction layer of data sources

  3. Object and Collection Initializers

  4. Lambda expressions


Correct Option: A,B,C
  1. Querying of in-memory collections

  2. Abstraction layer of data sources

  3. Object and Collection Initializers

  4. Lambda expressions


Correct Option: A,B,C

List Names = new List(); Names.Add("A"); Names.Add("B"); Names.Add("C"); var res = Names.Where(n => n == "D"); if (res == null) Console.WriteLine("res is null"); else Console.WriteLine("res is not null"); Console.Read(); What would be printed?

  1. res is null

  2. res is not null

  3. Run time error

  4. None of the above


Correct Option: B

Anonymous Types is a feature of LINQ

  1. True

  2. False


Correct Option: B
  1. Compilation and output of "Not equal! 10".

  2. Compilation and output of "Not equal! 20".

  3. Compilation and output of "We are equal 10".

  4. Compilation error, attempting to perform binary comparison on logical data type.


Correct Option: A
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