Java program to Reverse Linked List

public void reverseList()
{
ListNode temp1,temp2,temp3;

temp1=headnode;
temp2=headnode.nextnode;
temp3=null;
headnode.nextnode=null;
while(temp2.nextnode!=null)
{
temp3=temp2.nextnode;
temp2.nextnode=temp1;
temp1=temp2;
temp2=temp3;
}
temp2.nextnode=temp1;
headnode=temp2;

}