-
Notifications
You must be signed in to change notification settings - Fork 0
/
LinkedListImplementation.java
94 lines (86 loc) · 1.69 KB
/
LinkedListImplementation.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
class Nodee
{
int data;
Nodee next;
}
public class LinkedList
{
Nodee head;
public void delete(int index)
{
Nodee n = head;
Nodee m=null;
for(int i=0; i<index-1;i++)
{
n=n.next;
}
m=n.next;
n.next=m.next;
}
public void insertAtindex(int index ,int data)
{
Nodee node =new Nodee();
node.data=data;
node.next=null;
if(index==0)
{
insertAtstart(data);
}
else
{
Nodee n=head;
for(int i=0; i<index-1;i++)
{
n=n.next;
}
node.next=n.next;
n.next=node;
}
}
public void insertAtstart(int data)
{
Nodee node =new Nodee();
node.data=data;
node.next=head;
head=node;
}
public void insert(int data)
{
Nodee node = new Nodee();
node.data=data;
node.next=null;
if(head==null)
{
head=node;
}
else
{
Nodee n =head;
while(n.next!=null)
{
n=n.next;
}
n.next=node;
}
}
public void show()
{
Nodee n=head;
while(n!=null)
{
System.out.println(n.data);
n=n.next;
}
}
public static void main (String args[])
{
LinkedList ll =new LinkedList();
ll.insert(18);
ll.insert(45);
ll.insert(35);
ll.insertAtstart(25);
ll.insertAtindex(1,6);
ll.delete(1);//indexposn
ll.show();
}
}