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sortList.java
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sortList.java
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public class sortList
{
public class Node
{
int data;
Node next;
public Node(int data)
{
this.data = data;
}
}
public Node head = null;
public Node tail = null;
public void add(int data)
{
Node newNode = new Node(data);
if(head == null)
{
head = newNode;
tail = newNode;
newNode.next = head;
}
else
{
tail.next = newNode;
tail = newNode;
tail.next = head;
}
}
public void sortList()
{
Node current = head, index = null;
int temp;
if(head == null)
{
System.out.println("List is empty");
}
else
{
do
{
index = current.next;
while(index != head)
{
if(current.data > index.data)
{
temp =current.data;
current.data= index.data;
index.data = temp;
}
index= index.next;
}
current =current.next;
}while(current.next != head);
}
}
public void display()
{
Node current = head;
if(head == null)
{
System.out.println("List is empty");
}
else
{
do
{
System.out.print(" "+ current.data);
current = current.next;
}while(current != head);
System.out.println();
}
}
public static void main(String[] args)
{
sortList cl = new sortList();
cl.add(70);
cl.add(90);
cl.add(20);
cl.add(100);
cl.add(50);
System.out.println("Original list: ");
cl.display();
cl.sortList();
System.out.println("Sorted list: ");
cl.display();
}}