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[ ´ÙÀ½ ±Ûµé ] [ À̾ ±Û¿Ã¸®±â(´äÇϱâ) ] [ ÀÚ¹Ù ¹¯°í ´äÇϱâ ]

±Û¾´ÀÌ :¹Ú¿Õ±Ù 1999³â 11¿ù 09ÀÏ 00:24:53

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


public class Auxiliaries {


/**
* È­ÀÏ À̸§À» ÆĶó¸ÞÅÍ·Î ÃëÇÏ°í, ÀÔ·Â È­ÀÏÀÇ °¢ ·¹ÄÚµå·Î ºÎÅÍ »ý¼ºµÈ
* °´Ã¼µé·Î ±¸¼ºµÈ º¤Å͸¦ ¹Ýȯ °ªÀ¸·Î ³Ñ°ÜÁØ´Ù.
*/
public static Vector readData (String fileName)
throws IOException {


Vector v1 = new Vector();


/**
* ÀÔ·Â È­ÀÏ·Î ºÎÅÍ µ¥ÀÌŸ¸¦ Àо ÅäÅ«À¸·Î ºÐ¸®.
* (end-of-lineÀ» ÇϳªÀÇ ·¹ÄÚµå·Î Ãë±Þ)
*/
FileInputStream stream = new FileInputStream (fileName);
InputStreamReader reader = new InputStreamReader (stream);
StreamTokenizer tokens = new StreamTokenizer (reader);

/**
* ÆÄÀÏÀÇ ³¡ÀÌ ¾Æ´Ï¸é, °¢°¢ÀÇ µ¥ÀÌŸ¸¦ ÅäÅ«À¸·Î ºÐ¸®.
* Vector¿¡ ÀúÀåÇÑ´Ù.
*/
while(tokens.nextToken() != tokens.TT_EOF) {
int x = (int) tokens.nval;
Integer y = new Integer(x);
v1.addElement(y);
}


stream.close(); // ´Ù »ç¿ëÇÑ streamÀ» ´Ý¾ÆÁÜ
reader.close();
return v1; // º¤Å͸¦ ¹Ýȯ°ªÀ¸·Î ³Ñ°ÜÁÜ.
}



/**
* °ËÁõÀ» À§ÇÑ ´Ù¸¥ º¤ÅÍ°¡ ¿ø·¡ÀÇ º¤ÅÍ¿Í ¼­·Î ÀÏÄ¡ÇÏ´ÂÁö È®ÀÎ
*/


public static boolean isPalindrome(Vector v)
throws IOException {


Stack s = new Stack();


/**
* ¿ø·¡ º¤ÅÍ¿¡¼­ ¿ø¼Ò¸¦ Çϳª¾¿ ²¨³»¼­ ´Ù¸¥ º¤ÅÍ¿¡ ÀúÀåÇÑ´Ù.
*/
Iterator iter = v.iterator();

for (; iter.hasNext() ; )
s.push(iter.next());

int size = s.size();

for(int i = 0; i <size ; i++) {

if(iter.next().equals(s.pop())) ;
else
break;
}

boolean j = s.empty();

if(j == true)
return true ;
else
return false;
}
}


¼Ò½ºÄÚµå´Â À§¿Í °°±¸¿ä
¿¡·¯´Â ¾Æ·¡Ã³·³ ³ª¿É´Ï´Ù.C:\jdk1.2.2\bin>java Palin test.txt
Exception in thread "main" java.util.NoSuchElementException
at java.util.AbstractList$Itr.next(AbstractList.java:427)
at Auxiliaries.isPalindrome(Auxiliaries.java, Compiled Code)
at Palin.main(Palin.java, Compiled Code)



Àüü ½ÇÇà³»¿ëÀº ÆÄÀÏ¿¡ ÀÖ´Â µ¥ÀÌÅ͸¦ Àо
±× µ¥ÀÌÅÍ°¡ palindromeÀÎÁö ¾Æ´ÑÁö ¿©ºÎ¸¦ ÆÇ´ÜÇÏ´Â
°Ì´Ï´Ù. ±×·±µ¥ ÀÌ ¿¡·¯¸¦ ÀâÁö¸¦ ¸øÇϰڳ׿ä
¾Æ½Ã´Â ºÐ²²¼­ ¾Ë·ÁÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù.



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