Please Do Kindly Help me in sorting out the problem

Quote:

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication7;

import java.io.File;
import java.util.Scanner;

/**
*
* @author Ragunath Gunasekaran
*/
public class JavaApplication7 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) throws Exception

{

Scanner in = new Scanner(System.in);
Scanner file = new Scanner(new File("C:/Users/Ragunath Gunasekaran/Desktop/sample/file.txt"));

System.out.println("Enter the key : ");


// TIMER START

long startTime = System.currentTimeMillis();

long total = 0;
for (int i = 0; i < 10000000; i++)
{
total += i;
}



String key = in.nextLine().toUpperCase();

String input="";
while(file.hasNext())
input+=file.nextLine().toUpperCase();

System.out.println("PlainText : "+input);

String cipher="";
for(int i=0;i<input.length();i++)
{
char c = input.charAt(i);
if(c>='A'&&c<='Z')
{
c=(char)(c+(key.charAt(i%key.length())-'A'));
// if(c<'A')c+=26;
if(c>'Z')c-=26;
}
cipher+=c;
}

System.out.println("CipherText : "+cipher);


String plaintext1 = "";
for(int i=0;i<cipher.length();i++)>

{
char c = cipher.charAt(i);
if(c>='A'&&c<='Z')
{
c=(char)(c-(key.charAt(i%key.length())-'A'));
if(c<'A')c+=26;
// if(c>'Z')c-=26;
}
plaintext1 +=c;
}

System.out.println("PlainText : "+plaintext1);

// TIMER Run time & Print
long stopTime = System.currentTimeMillis();
long elapsedTime = stopTime - startTime;
System.out.println("Runtime"+elapsedTime);
//TIME FINISH -Result Finish

}


}