Single linked list implements two sets of integer additions (Java)

 Packageorg.skyeye.test;ImportOrg.springframework.util.Assert; Public classNodeadd { Public Static classnode{intdata;                Node Next;  Public Static enumnumber{Zero (0), one (1), both (2), three (3), four (4), five (5), six (6), seven (7), eight (8), nine (9); intvalue; Number (intvalue) {                 This. Value =value; }                         Public Static BooleanInintvalue) {                 for(number v:number.values ()) {if(V.value = =value) {                        return true; }                }                return false; }                                }                 PublicNode (intdata, Node next) {Assert.state (number.in (data),"Must is in 0-9.");  This. data =data;  This. Next =Next; }                 Public voidSetData (intdata) {             This. data =data; }                 Public voidSetnext (Node next) { This. Next =Next; }    }             Public Staticnode Reverse (node head) {if(head==NULL|| head.next==NULL) {            returnHead; } Node Pre=NULL; Node Current=Head;  while(Current! =NULL) {Node tmp=Current ; Current=Current.next;            Tmp.setnext (pre); Pre=tmp; }                returnPre; }         Public Staticnode Add (node One, node) {inti = 0; Node one1=reverse (one); Node TWO1=reverse (both); Node Pre=NULL;  while(one1!=NULL|| two1!=NULL) {            intTMP =i; if(One1! =NULL) {tmp+=One1.data; One1=One1.next; }                        if(Two1! =NULL) {tmp+=Two1.data; TWO1=Two1.next; }                        if(tmp>=10) {tmp-= 10; I= 1; }Else{i= 0; } Node T=NewNode (TMP,NULL); T.next=Pre; Pre=T; }                if(i>0) {Node head=NewNode (i, pre); Pre=Head; }                returnPre; }             Public Static voidprint (Node head) {StringBuilder builder=NewStringBuilder ();  while(head!=NULL) {builder.append (Head.data). Append (","); Head=Head.next;    } System.out.println (Builder.tostring ()); }         Public Static voidMain (string[] args) {Node one=NewNode (1,NewNode (2,NewNode (3,NewNode (4,NewNode (5,NULL))))); Node=NewNode (3,NewNode (4,NewNode (5,NULL))); Node result=Add (one, both);    print (result); }}

Single linked list implements two sets of integer additions (Java)