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Exercise_3.java
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Exercise_3.java
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class LinkedList
{
Node head; // head of linked list
/* Linked list node */
class Node
{
int data;
Node next;
Node(int d)
{
data = d;
next = null;
}
}
/* Function to print middle of linked list */
//Complete this function
void printMiddle()
{
//Write your code here
//Implement using Fast and slow pointers
}
public void push(int new_data)
{
Node new_node = new Node(new_data);
new_node.next = head;
head = new_node;
}
public void printList()
{
Node tnode = head;
while (tnode != null)
{
System.out.print(tnode.data+"->");
tnode = tnode.next;
}
System.out.println("NULL");
}
public static void main(String [] args)
{
LinkedList llist = new LinkedList();
for (int i=15; i>0; --i)
{
llist.push(i);
llist.printList();
llist.printMiddle();
}
}
}