Question
a)
public Object deleteFront() throws emptyDEQException
{
if(isEmpty())
throw new emptyDEQException("Empty");
else
{
Node temp = head.getNext();
Node cur = temp;
Object e = temp.getEle();
head.setNext(cur);
size--;
return e;
}
}
b)
public Object deleteFront() throws emptyDEQException
{
if(isEmpty())
throw new emptyDEQException("Empty");
else
{
Node temp = head.getNext();
Node cur = temp.getNext();
Object e = temp.getEle();
head.setNext(cur);
size--;
return e;
}
}
c)
public Object deleteFront() throws emptyDEQException
{
if(isEmpty())
throw new emptyDEQException("Empty");
else
{
Node temp = head.getNext();
Node cur = temp.getNext();
Object e = temp.getEle();
head.setNext(temp);
size--;
return e;
}
}
d) None of the mentioneda.
a
b.
b
c.
c
d.
d
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Q. Which of the following can be used to delete an element from the front end of the queue?
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