java中文分词之正向最大匹配法实例代码

package com;   import java.util.ArrayList; import java.util.List;   public class Segmentation1 {  private List<String> dictionary = new ArrayList<String>();  private String request = "北京大学生前来应聘";   public void setDictionary() {  dictionary.add("北京");  dictionary.add("北京大学");  dictionary.add("大学");  dictionary.add("大学生");  dictionary.add("生前");  dictionary.add("前来");  dictionary.add("应聘");  }   public String leftMax() {  String response = "";  String s = "";  for(int i=0; i<request.length(); i++) {   s += request.charAt(i);   if(isIn(s, dictionary) && aheadCount(s, dictionary)==1) {   response += (s + "/");   s = "";   } else if(aheadCount(s, dictionary) > 0) {      } else {   response += (s + "/");   s = "";   }  }  return response;  }   private boolean isIn(String s, List<String> list) {  for(int i=0; i<list.size(); i++) {   if(s.equals(list.get(i))) return true;  }  return false;  }   private int aheadCount(String s, List<String> list) {  int count = 0;  for(int i=0; i<list.size(); i++) {   if((s.length()<=list.get(i).length()) && (s.equals(list.get(i).substring(0, s.length())))) count ++;  }  return count;  }   public static void main(String[] args) {  Segmentation1 seg = new Segmentation1();  seg.setDictionary();  String response1 = seg.leftMax();  System.out.println(response1);  } }