Question
public Object delete_key()
{
if(count == 0)
{
System.out.println("Q is empty");
System.exit(0);
}
else
{
Node cur = head.getNext();
Node dup = cur.getNext();
Object e = cur.getEle();
head.setNext(dup);
count--;
return e;
}
}a.
Delete the second element in the list
b.
Return but not delete the second element in the list
c.
Delete the first element in the list
d.
Return but not delete the first element in the list
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