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  1. import java.io.*;
  2. import java.util.*;
  3. public class PolynomialAddition
  4. {
  5.     static File dataInpt;
  6.     static Scanner inFile;
  7.  
  8.     public static void main(String[] args) throws IOException
  9.     {
  10.       dataInpt=new File("C:\\llpoly.txt");
  11.       inFile=new Scanner(dataInpt);
  12.       StringTokenizer myTokens;
  13.       String line, sentence;
  14.       Node parent = new Node();
  15.       while (inFile.hasNextLine())
  16.       {
  17.         Node tempParent = parent;
  18.         line=inFile.nextLine();
  19.         myTokens=new StringTokenizer(line);
  20.         while (myTokens.hasMoreTokens())
  21.         {
  22.           Node current = new Node();
  23.           String polyTerm=myTokens.nextToken();
  24.  
  25.           current.value=polyTerm.substring(0,polyTerm.indexOf("x"));
  26.           current.value2=polyTerm.substring(polyTerm.indexOf("^")+1);
  27.  
  28.           if(parent==null)
  29.             parent.value=current.value;
  30.           else
  31.           {
  32.             parent.next=current;
  33.             parent=current;
  34.           }
  35.         }
  36.         printList(tempParent.next);
  37.       }
  38.  
  39.       Node tempParent2 = parent;
  40.       line=inFile.nextLine();
  41.       myTokens=new StringTokenizer(line);
  42.       while (myTokens.hasMoreTokens())
  43.       {
  44.         Node current = new Node();
  45.         String polyTerm=myTokens.nextToken();
  46.  
  47.         current.value=polyTerm.substring(0,polyTerm.indexOf("x"));
  48.         current.value2=polyTerm.substring(polyTerm.indexOf("^")+1);
  49.  
  50.         if(parent==null)
  51.           parent.value=current.value;
  52.         else
  53.         {
  54.           parent.next=current;
  55.           parent=current;
  56.         }
  57.       }
  58.       printList(tempParent2.next);
  59.       System.out.println("Really crude, next two lines\n\n");
  60.     }
  61.     public static void printList(Node head)
  62.     {
  63.     	Node ptr; //not pointing anywhere
  64.     	for(ptr=head;ptr!=null;ptr=ptr.next)
  65.     	  System.out.print(ptr.value + "  " + ptr.value2 + "  ");
  66.     	System.out.println();
  67.     }
  68. }
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https://ideone.com/6h104
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

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