Insert the Missing Code in the Following Code Fragment

question 63

Multiple Choice

Insert the missing code in the following code fragment. This fragment is intended to remove a node from the head of a linked list:
Public class LinkedList
{
) . .
Public Object removeFirst()
{
If (first == null) { ________________ }
Object element = first.data;
First = first.next; 1
Return element;
}
) . .
}

• A) throw new NoSuchElementException();
• B) throw new IllegalStateException();
• C) throw new NullPointerException();
• D) throw new IllegalArgumentException();

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Definitions:

Null Hypothesis

A default hypothesis that there is no effect or difference, used as a starting point for statistical significance testing.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the true population parameter with a certain level of confidence.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or a data set, after a certain number of restrictions have been applied to all data points.

Dependent Populations

Populations in which the members of one sample are related or matched to the members of the other samples.