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import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;
public class TriTree {
 public static void insert(TriNode root, String str) {
  boolean end, find;
  TriNode node = null;
  for (int i = 0; i < str.length(); i++) {
   end = false;
   find = false;
   List<TriNode> triLink = root.triLink;
   if (i == (str.length() - 1))
    end = true;
   char ch = str.charAt(i);
   Iterator<TriNode> iterator = triLink.iterator();
   while (iterator.hasNext()) {
    node = iterator.next();
    if (node.ch == ch) {
     find = true;
     break;
    }
   }
   if (find)
    root = node;
   else {
    TriNode tri_node = new TriNode(ch);
    triLink.add(tri_node);
    root = tri_node;
   }
   if (end)
    root.count++;
  }
 }
 public static TriNode creat_TriTree(String fileName) {
  File file = new File(fileName);
  TriNode root = new TriNode();
  try {
   BufferedReader bf = new BufferedReader(new FileReader(file));
   try {
    String str = bf.


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