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Which member of the union will be active after REF LINE in the following C code?<br><pre><code class="c-program">#include &lt;stdio.h&gt;union temp{ int a; float b; char c;};union temp s = {1,2.5,’A’}; //REF LINE</code></pre>

Correct Answer: a

Which among the following is correct syntax to declare a 2D array using new operator? = new char; b) char (pchar) = new char; c) char (*char) = new char; d) char (*char)= new char;

What is the output of this program ? #include
using namespace std;
int n(char, int);
int (*p) (char, int) = n;
int main()
{
(*p)('d', 9);
p(10, 9);
return 0;
}
int n(char c, int i)
{
cout << c << i;
return 0;
}

What substitution should be made to //-Ref such that ptr1 points to variable c in the following C code?
#include <stdio.h>int main(){ int a = 1, b = 2, c = 3; int *ptr1 = &a; int **sptr = &ptr1; //-Ref}

In the following C code, the union size is decided by?
union temp{ char a; int b; float c;};

Select the correct differences between char and varchar data types? i. varchar is non unicode and char is unicode character data type ii. char is ‘n’ bytes whereas varchar is actual length in bytes of data entered in terms of storage size iii. varchar is variable in length and char is the fixed length string iv. For varchar, if a string is less than the maximum length then it is stored in verbatim without any extra characters while for char if a string is less than the set length it is padded with extra characters to equalize its length to given length

Consider the following statements:
In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float

Calculate the % of memory saved when bit-fields are used for the following C structure as compared to with-out use of bit-fields for the same structure? (Assuming size of int = 4)
struct temp{ int a : 1; int b : 2; int c : 4; int d : 4;}s;
 

interface Test{ int p = 10; //line 1 public int q = 20; //line 2 public static int r = 30; //line 3 public static final int s = 40; //line 4}

Which of the above line will give compilation error?

Consider the following declarations:
union id{ char color; int size;};struct{ char country; int date; union id id;}flag;

To assign a color to a flag, the correct statement would be

What one of the following is best practice to handle Null Pointer exception?
i) int noOfStudents = line.listStudents().count;
ii) int noOfStudents = getCountOfStudents(line);
public int getCountOfStudents(List line){if(line != null) {if(line.listOfStudents() != null) { return line.listOfStudents().size();}}throw new NullPointerException("List is empty");}