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Question

Select the code snippet which prints the element with maximum frequency.
a)

public int findPopular(int[] a) 
{
 if (a == null || a.length == 0)
  return 0;
 Arrays.sort(a);
 int previous = a[0];
 int popular = a[0];
 int count = 1;
 int maxCount = 1;
 for (int i = 1; i < a.length; i++)
        {
  if (a[i] == previous)
  count++;
  else 
                {
   if (count > maxCount) 
                        {
    popular = a[i-1];
    maxCount = count;
   }
  previous = a[i];
  count = 1;
  }
 }
 return count > maxCount ? a[a.length-1] : popular;
}

b)

public int findPopular(int[] a) 
{
 if (a == null || a.length == 0)
  return 0;
 Arrays.sort(a);
 int previous = a[0];
 int popular = a[0];
 int count = 1;
 int maxCount = 1;
 for (int i = 1; i < a.length; i++) 
        {
  if (a[i] == previous)
   count++;
  else 
                {
   if (count > maxCount) 
                        {
    popular = a[i];
    maxCount = count;
   }
   previous = a[i];
   count = 1;
  }
 }
 return count > maxCount ? a[a.length-1] : popular;
}

c)

public int findPopular(int[] a) 
{
 if (a == null || a.length == 0)
  return 0;
 Arrays.sort(a);
 int previous = a[0];
 int popular = a[0];
 int count = 1;
 int maxCount = 1;
 for (int i = 1; i < a.length; i++) 
        {
  if (a[i+1] == previous)
   count++;
  else 
                {
   if (count > maxCount) 
                        {
    popular = a[i-1];
    maxCount = count;
   }
   previous = a[i];
   count = 1;
  }
 }
 return count > maxCount ? a[a.length-1] : popular;
}

d) None of the mentioned

a.

a

b.

b

c.

c

d.

d

Answer: (a).a

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Q. Select the code snippet which prints the element with maximum frequency.

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