通过正则表达式匹配单个单词

/** 
来 自 
时 代 J a v a 公 众 号 - nowjava.com
**/


import java.io.*;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class Main 

{

  public static void main(String args[])throws IOException

  {

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    int no = Integer.parseInt(br.readLine());

    

    while(no>0)

    {

      String str = br.readLine();

      String pat="\\b(C|CPP|JAVA|PYTHON)\\b";

      Pattern p = Pattern.compile(pat);

      Matcher m = p.matcher(str);

      

      if(m.find())

      {
      /**来自 
       N o w J a v a . c o m**/

        System.out.pr