Tag: programming languages

Questions Related to programming languages

LINQ query to Select and return all the rows from Product table and display the product names.
technology programming languages

  1. Dim query = From product In products.AsEnumerable() Select product

  2. Dim query as select product From product In products.AsEnumerable()

  3. Dim query = From p In products.AsEnumerable() Select p

  4. None of these

Show answer
Correct Option: A

Method used in LINQ to SQL for database updation
technology programming languages

  1. Commit();

  2. Update();

  3. SubmitChanges();

  4. CommitTransaction();

Show answer
Correct Option: C

Which is not the an ADO.NET object
technology programming languages

  1. SqlDataAdapter

  2. SqlConnection

  3. SqlDataReader

  4. SqlDataView

Show answer
Correct Option: D

Which is/are the method/s of an ADO.NET command object
technology programming languages

  1. CreateObjRef

  2. BeginExecuteNonQuery

  3. Prepare

  4. All of the above

Show answer
Correct Option: D

Is the following statement correct: char ch = 'd'; if(ch < 32.00){ }
technology programming languages

  1. True

  2. False

Show answer
Correct Option: A

What will be output from the following statements: System.out.println(1+2+”3”); System.out.println (“1”+2+3);
technology programming languages

  1. 33,123

  2. 123,33

  3. 6,6

  4. Compilation Error

Show answer
Correct Option: A

Is following line throws Exception.If yes ,which type? justify it . float f = 100.00/0.0
technology programming languages

  1. True

  2. False

Show answer
Correct Option: B

what is the output? class A{ int i=1; void printit() { i=i++; system.out.println(i);} } class AS { public static void main(String s[]) { A a=new A(); a.printit(); } }
technology programming languages

  1. 1

  2. 2

  3. Error

  4. None

Show answer
Correct Option: A

Which one is faster in java ? A. Math.max(a,b); B. (a>b)?a:b
technology programming languages

  1. A

  2. B

  3. Both are Same

  4. None

Show answer
Correct Option: B

Which of the following is(are) true for Macro functions(#define fn()) & inline functions
technology programming languages

  1. macro functions are expanded during compile. Inline functions are just usual functions calls

  2. macro functions are expanded during preprocessing and inline functions are expanded during compile

  3. macro functions are expanded during compile and inline functions are expanded during preprocessing

  4. No difference.Both are expanded at compile.

Show answer
Correct Option: B