Question
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");
}a.
Option (i)
b.
Option (ii)
c.
Compilation Error
d.
Option (ii) gives incorrect result
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Q. What one of the following is best practice to handle Null Pointer exception? i) int noOfStudents = line.listStudents().count; ii) int noOfStudents = getCountOfStudents(line);
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