/*
			ESc101 Laboratory Assignment 
	                   Thursday of Week of 20/09/04

  1)  This program checks whether a given input string 
      is palindrome or not. 
*/
 import javabook.*;
 import java.awt.*;
 class PalinCheck
 {
       StringBuffer inputStr;
       MainWindow mainWindow;
       InputBox inputBox;
 // This method takes a string input from  user and checks whether
 // it is a palindrome or not by comparing it to it's reverse
   /*  public void checkString()
       {
             String temp1, temp2;
             StringBuffer revStr;
             boolean equal;
             inputBox = new InputBox(mainWindow);
             temp1 = inputBox.getString("Input the string"); 
             inputStr = new StringBuffer(temp1); 
             revStr = inputStr.reverse(); 
             temp2 = revStr.toString();  
             equal = temp1.equals(temp2); 
             if (equal)
                  System.out.println(" Input String is a plindrome");
             else
                  System.out.println(" Input String is not a palindrome");
       }
   */
 // Alternetive Method
 // This method compares string characters from start and end for
 // half of length of string
       public void checkString()
       {
             String temp;
	     int strLength, index;
             boolean equal = true;
             inputBox = new InputBox(mainWindow);
             temp = inputBox.getString("Input the string"); 
             inputStr = new StringBuffer(temp); 
	     strLength = inputStr.length();
	     for(index = 0; index < strLength/2; index++)
	     {
	          if(inputStr.charAt(index) == inputStr.charAt(strLength-index-1))
	                ;
                  else 
		  {	  
	                equal = false;
			break;
		  }	
             }		  
             if (equal)
                  System.out.println(" Input String is a palindrome");
             else
                  System.out.println(" Input String is not a palindrome");
       }
 }    
             
 class soln7thur1
 {
       public static void main(String[] args)
       {
            PalinCheck palinCheck;
            palinCheck = new PalinCheck();
            palinCheck.checkString(); 
       }
 }