"Data structures and Algorithms" Java linked list operations

Source: Internet
Author: User

List operation code is small but more error-prone, is more suitable for the interview place.

    • Code implementation

/** * Source Name: Mylinklist.java * Date: 2014-09-05 * program function: Java list operation * Copyright: [email protected] * A2bgeek */import Java.util.Sta Ck;public class Mylinklist {class Linknode<t> {private T mvalue;private linknode<t> mnext;public LinkNode (T V Alue) {//TODO auto-generated constructor stubmvalue = value;} public void SetValue (T value) {mvalue = value;} Public T GetValue () {return mvalue;} public void Setnext (linknode<t> next) {Mnext = next;} Public linknode<t> GetNext () {return mnext;}} Head nodelinknode<integer> mhead = null;int msize;//addpublic void Add (int value) {linknode<integer> NewNo de = new linknode<integer> (value); Newnode.setnext (null); if (mhead = = null) {mhead = NewNode;} else {Linknode<int eger> tmp = Mhead;while (tmp.getnext () = null) {TMP = Tmp.getnext ();} Tmp.setnext (NewNode);} msize++;} insertpublic void Insert (int index, int value) {linknode<integer> NewNode = new linknode<integer> (value); F (mhead = = null) {Newnode.setnext(null); mhead = newnode;msize++;} else {if (Index > MSize-1) {System.out.println ("Index out of Bound");} else {int j = 0; linknode<integer> tmp = Mhead;while (J < index) {tmp = Tmp.getnext (); j + +;} Newnode.setnext (Tmp.getnext ()); Tmp.setnext (newNode); msize++;}} deletepublic void Deletebyindex (int index) {if (Mhead = = null) {System.out.println ("linklist Empty");} else {if (index > mSize-1) {System.out.println ("Index out of Bound"),} else if (index = = 0) {Mhead = Mhead.getnext ();} else {int j = 0; linknode<integer> pretmp = Mhead;while (J < index-1) {pretmp = Pretmp.getnext (); j + +;} Pretmp.setnext (Pretmp.getnext (). GetNext ());}}} public void Deletebyvalue (int value) {if (Mhead = = null) {System.out.println ("linklist Empty");} else {Linknode<intege R> pretmp = null;  linknode<integer> tmp = Mhead;while (tmp! = null) {if (Tmp.getvalue () = value) {pretmp = Tmp;tmp = Tmp.getnext ();} else {break;}} if (TMP = = null) {System.out.println ("not Found");} else if (preTMP = = null) {Mhead = Tmp.getnext ();} else {Pretmp.setnext (Tmp.getnext ());}}} reversepublic void reverse () {linknode<integer> tmp = Mhead; Linknode<integer> pretmp = null;  linknode<integer> nexttmp = Null;while (tmp! = null) {nexttmp = Tmp.getnext (); Tmp.setnext (pretmp);p retmp = Tmp;tmp = Nexttmp;} Mhead = pretmp;} print_recursivepublic void Printr (linknode<integer> start) {if (start = = null) {return;} else {System.out.print ( Start.getvalue () + "");p Rintr (Start.getnext ());}} print_norecursivepublic void Printnor (linknode<integer> start) {if (start = = null) {SYSTEM.OUT.PRINTLN (" linklist empty ");} else {linknode<integer> tmp = start;while (tmp! = null) {System.out.print (Tmp.getvalue () + ""); tmp = Tmp.getnext (); }}}//printreverse_recursivepublic void Printrr (linknode<integer> start) {if (start = = null) {return;} else {printr R (Start.getnext ()); System.out.print (Start.getvalue () + "");}} printreverse_norecursivepublic void Printrnor (linknode<integer> start) {if (start = = null) {System.out.println ("linklist Empty");} else {stack<linknode<integer>& Gt stack = new stack<linknode<integer>> (); linknode<integer> tmp = Start;while (tmp! = null) {Stack.push (TMP); tmp = Tmp.getnext ();} while (!stack.isempty ()) {System.out.print (Stack.pop (). GetValue () + "");}} public static void Main (string[] args) {mylinklist mylinklist = new Mylinklist (); Mylinklist.add (1); Mylinklist.add (2); Mylinklist.add (3); Mylinklist.add (4); Mylinklist.add (5); Mylinklist.insert (3, 6); System.out.println ("linklist size is" + mylinklist.msize); Mylinklist.printr (Mylinklist.mhead); System.out.println (); mylinklist.deletebyindex (0); Mylinklist.printnor (Mylinklist.mhead); System.out.println ();//Mylinklist.reverse ();//MYLINKLIST.PRINTRR (Mylinklist.mhead);//System.out.println ();// Mylinklist.printrnor (Mylinklist.mhead);}}


"Data structures and Algorithms" Java linked list operations

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.