JavaPalindrome.java

import java.io.BufferedReader;
import java.io.FileReader;

public class JavaPalindrome {

  public static void main(String[] args) throws Exception {
    String line = "";
    BufferedReader reader = new BufferedReader(new FileReader("seed.txt"));
    int totalPalindromes = 0;
    long ini = System.currentTimeMillis();
    while ((line = reader.readLine()) != null) {
      String[] rango = line.split(" ");
      int rango_ini = Integer.parseInt(rango[0]); 
      int rango_final = Integer.parseInt(rango[1]);
      for (int num = rango_ini; num <= rango_final; num++) {        
        totalPalindromes += checkPalindrome(Integer.toString(num));
      }
    }
    System.out.format("Total Palindromes %d:\n ", totalPalindromes);
    System.out.format("Duracion: %f\n" , (System.currentTimeMillis() - ini) / 1000.0);    
  }

  public static int checkPalindrome(String sNum) {
    for (int i = 0; i < sNum.length() / 2; i++) {
      if (sNum.charAt(i) != sNum.charAt(sNum.length() - i - 1)) {
        return 0;
      }
    }
    return 1;
  }
}