Program for password acceptance.

import java.io.*;
class Exp6_2
{
public static void main(String[] args)
{
String def_pswrd = "admin";
String pswrd;
try
{
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
System.out.print("Enter the Password : ");
pswrd = br.readLine();
if( def_pswrd.equals(pswrd) )
{
System.out.println("Good");
pswrd = pswrd.concat("Welcome to Java!!!");
System.out.println("\nConcatinated Password : "+pswrd);
System.out.println("\nReverse Password : ");
for(int i= pswrd.length()-1;i>=0;i--)
{
System.out.print(pswrd.charAt(i));
}
pswrd = pswrd.replace( '!' , '*' );
System.out.println("\nFormatted Password : "+pswrd);
}
else
{
System.out.println("Incorrect Password");
}
}
catch(Exception e)
{
System.out.println("IOException Error!");
}
}
}