What is the functionality of the following piece of code?
public void function(Object item)
{
Node temp=new Node(item,trail);
if(isEmpty())
{
head.setNext(temp);
temp.setNext(trail);
}
else
{
Node cur=head.getNext();
while(cur.getNext()!=trail)
{
cur=cur.getNext();
}
cur.setNext(temp);
}
size++;
}
public void function(Object item)
{
Node temp=new Node(item,trail);
if(isEmpty())
{
head.setNext(temp);
temp.setNext(trail);
}
else
{
Node cur=head.getNext();
while(cur.getNext()!=trail)
{
cur=cur.getNext();
}
cur.setNext(temp);
}
size++;
}A. Insert at the front end of the dequeue
B. Insert at the rear end of the dequeue
C. Fetch the element at the rear end of the dequeue
D. Fetch the element at the front end of the dequeue
Answer: Option B
This Question Belongs to Data Structure >> Introduction To Data Structures
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