夢のために

import java.io.*;
import java.util.*;

public class A
{

  public static void main(String[] args) throws IOException{   
    FileInputStream fin = new FileInputStream("a.txt");
    BufferedReader in =  new BufferedReader((new InputStreamReader(fin, "UTF-8")));
    BufferedWriter Bout =  new BufferedWriter(new FileWriter("B.txt"));
    BufferedWriter Cout =  new BufferedWriter(new FileWriter("C.txt"));

    String temp;
    int key = 0;
    while((temp = in.readLine()) != null) {
   if (temp.indexOf("론대학교다")>0)
   {   
    key = 0;
   }else if (temp.indexOf("론전문대학교")>0)
   {     
    key = 1;
   }
   StringTokenizer st = new StringTokenizer(temp,":,");
   String[] tempstr = new String[st.countTokens()];
   int cnttoken = st.countTokens();
   int i = 0;
   if(key==0) {
   while(st.hasMoreTokens()) {
  temp=st.nextToken();
  temp.trim();
  tempstr[i]=temp;  
  if(cnttoken > 1 && i != 0) {
   Bout.write(tempstr[0]);
   Bout.write(",");
   Bout.write(tempstr[i]);
   Bout.newLine();
  }
  i++;  
  }
   }
   if(key==1) {
   while(st.hasMoreTokens()) {
  temp=st.nextToken();
  temp.trim();
  tempstr[i]=temp;  
  if(cnttoken > 1 && i != 0) {
   Cout.write(tempstr[0]);
   Cout.write(",");
   Cout.write(tempstr[i]);
   Cout.newLine();
  }
  i++;  
  }
   }
 }
 in.close();
 Bout.close();
 Cout.close();
  }
}

A.class

A.java

A.java.bak

a.txt

B.txt

C.txt