Question
a)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext();
}
temp.getNext().setPrev(temp.getPrev());
temp.getPrev().setNext(temp.getNext());
}
size--;
}
b)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext();
}
temp.getNext().setPrev(temp.getNext());
temp.getPrev().setNext(temp.getPrev());
}
size--;
}
c)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext().getNext();
}
temp.getNext().setPrev(temp.getPrev());
temp.getPrev().setNext(temp.getNext());
}
size--;
}
d) None of the mentioneda.
a
b.
b
c.
c
d.
d
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Q. Which of the following piece of code removes the node from a given position?
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