isPalindrome.java

import java.io.*;
import java.util.*;
import org.junit.*;
import org.junit.runner.*;

public class Solution {
  public static class PalindromeTester  {
    public boolean isPalindrome( final String input ) {
      
      StringBuilder strb = new StringBuilder();
      for (int i = 0; i<input.length(); i++) {
        
        if (input.charAt(i) != ' ') {
          strb.append(input.charAt(i));
        }
      }
      
      int strlength = strb.length();
      StringBuilder str = new StringBuilder();
      for (int i=strlength-1; i>=0; i--) {
        
        str.append(strb.charAt(i));
        
      }
        
     // System.out.println(str + "--" + input);
      
      if (str.toString().equals(strb.toString())) {
        return true;
      } else {
        return false;
      }
      
    //  String strrev = input.reverse();
      
 //    return true;   
      // Palindrome code here
   }
  }
  
  @Test
  public void testPalindromes() {
    PalindromeTester tester = new PalindromeTester();
    Assert.assertFalse(tester.isPalindrome("sonnosk"));
    Assert.assertTrue(tester.isPalindrome("kay       ak"));
    Assert.assertFalse(tester.isPalindrome("c      anucks"));
    // Palindrome tests here
  }
  
  public static void main(String[] args) {

/*
 * 1) Write a function that returns true if a string is a palindrome
 *    - Palindrome: a word, phrase, or sequence that reads the same backward
 *      as forward, e.g., madam or nurses run.
 *    - Palindromes to test are:
 *      "sonnosk"
 *      "kay       ak"
 *      "c      anucks"
 * Solution s = new Solution();
 */
    JUnitCore.main("Solution");
  }
}