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// Insertion Operation
class LLOperat{
static class Node{
int data;
Node next;
// constructor
Node(int d){
this.data = d;
next = null;
}
}
Node head;
// Insert at the beginnig
void push(int x){
Node t = new Node(x);
t.next = head;
head = t;
}
void append(int x){
Node p=head;
Node t = new Node(x);
if(head==null){
head = new Node(x);
}
while(p.next!=null){
p = p.next;
}
p.next = t;
}
void after(Node n, int x){
Node t = new Node(x);
if(n==null){
return;
}
t.next = n.next;
n.next = t;
}
void Display(){
Node p = head;
while(p!=null){
System.out.print(p.data+" ");
p = p.next;
}
}
public static void main(String[] args){
LLOperat l = new LLOperat();
l.push(5);
l.push(3);
l.append(6);
l.after(l.head.next,89);
l.Display();
}
}
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